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12221034 = 2374147151
BaseRepresentation
bin101110100111…
…101001101010
3211222220002220
4232213221222
511112033114
61113534510
7205606560
oct56475152
924886086
1012221034
116997931
124114436
1326bb7a7
1418a1a30
1511160a9
hexba7a6a

12221034 has 64 divisors (see below), whose sum is σ = 29417472. Its totient is φ = 3312000.

The previous prime is 12221029. The next prime is 12221039. The reversal of 12221034 is 43012221.

It is an interprime number because it is at equal distance from previous prime (12221029) and next prime (12221039).

It is not an unprimeable number, because it can be changed into a prime (12221039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80859 + ... + 81009.

It is an arithmetic number, because the mean of its divisors is an integer number (459648).

Almost surely, 212221034 is an apocalyptic number.

12221034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12221034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14708736).

12221034 is an abundant number, since it is smaller than the sum of its proper divisors (17196438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221034 is a wasteful number, since it uses less digits than its factorization.

12221034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12221034 is about 3495.8595509545. The cubic root of 12221034 is about 230.3399761053.

Adding to 12221034 its reverse (43012221), we get a palindrome (55233255).

The spelling of 12221034 in words is "twelve million, two hundred twenty-one thousand, thirty-four".

Divisors: 1 2 3 6 7 14 21 41 42 47 82 94 123 141 151 246 282 287 302 329 453 574 658 861 906 987 1057 1722 1927 1974 2114 3171 3854 5781 6191 6342 7097 11562 12382 13489 14194 18573 21291 26978 37146 40467 42582 43337 49679 80934 86674 99358 130011 149037 260022 290977 298074 581954 872931 1745862 2036839 4073678 6110517 12221034