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12210022 = 2114312907
BaseRepresentation
bin101110100100…
…111101100110
3211222100000001
4232210331212
511111210042
61113411514
7205532506
oct56447546
924870001
1012210022
11698a630
124109b9a
1326b6786
14189ba06
151112bb7
hexba4f66

12210022 has 16 divisors (see below), whose sum is σ = 20446272. Its totient is φ = 5420520.

The previous prime is 12210019. The next prime is 12210041. The reversal of 12210022 is 22001221.

It is a junction number, because it is equal to n+sod(n) for n = 12209990 and 12210008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5508 + ... + 7399.

It is an arithmetic number, because the mean of its divisors is an integer number (1277892).

Almost surely, 212210022 is an apocalyptic number.

12210022 is a deficient number, since it is larger than the sum of its proper divisors (8236250).

12210022 is a wasteful number, since it uses less digits than its factorization.

12210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12963.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12210022 is about 3494.2841899308. The cubic root of 12210022 is about 230.2707712122.

Adding to 12210022 its reverse (22001221), we get a palindrome (34211243).

The spelling of 12210022 in words is "twelve million, two hundred ten thousand, twenty-two".

Divisors: 1 2 11 22 43 86 473 946 12907 25814 141977 283954 555001 1110002 6105011 12210022