22556135 has 32 divisors (see below), whose sum is σ = 32970240. Its totient is φ = 14470272.

The previous prime is 22556117. The next prime is 22556137. The reversal of 22556135 is 53165522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22556135 - 2¹² = 22552039 is a prime.

It is a super-2 number, since 2×22556135² = 1017558452276450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22556098 and 22556107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22556137) 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, 70997 + ... + 71313.

It is an arithmetic number, because the mean of its divisors is an integer number (1030320).

Almost surely, 2^22556135 is an apocalyptic number.

22556135 is a deficient number, since it is larger than the sum of its proper divisors (10414105).

22556135 is a wasteful number, since it uses less digits than its factorization.

22556135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its digits is 9000, while the sum is 29.

The square root of 22556135 is about 4749.3299527407. The cubic root of 22556135 is about 282.5453917194.

The spelling of 22556135 in words is "twenty-two million, five hundred fifty-six thousand, one hundred thirty-five".