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1222422101 = 23311714477
BaseRepresentation
bin100100011011100…
…1010111001010101
310011012012110212122
41020313022321111
510000420001401
6321144425325
742202262555
oct11067127125
93135173778
101222422101
115780308aa
122a1478245
131663451b4
14b84c9165
15724b921b
hex48dcae55

1222422101 has 8 divisors (see below), whose sum is σ = 1316719104. Its totient is φ = 1131554160.

The previous prime is 1222422073. The next prime is 1222422119. The reversal of 1222422101 is 1012242221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222422101 - 26 = 1222422037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222422101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222422301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856526 + ... + 857951.

It is an arithmetic number, because the mean of its divisors is an integer number (164589888).

Almost surely, 21222422101 is an apocalyptic number.

It is an amenable number.

1222422101 is a deficient number, since it is larger than the sum of its proper divisors (94297003).

1222422101 is a wasteful number, since it uses less digits than its factorization.

1222422101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714531.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1222422101 is about 34963.1534761955. The cubic root of 1222422101 is about 1069.2363902801.

Adding to 1222422101 its reverse (1012242221), we get a palindrome (2234664322).

The spelling of 1222422101 in words is "one billion, two hundred twenty-two million, four hundred twenty-two thousand, one hundred one".

Divisors: 1 23 31 713 1714477 39432971 53148787 1222422101