22526406 has 24 divisors (see below), whose sum is σ = 55779984. Its totient is φ = 6436080.

The previous prime is 22526401. The next prime is 22526423. The reversal of 22526406 is 60462522.

22526406 is a `hidden beast` number, since 2 + 252 + 6 + 406 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22526406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22526401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89265 + ... + 89516.

It is an arithmetic number, because the mean of its divisors is an integer number (2324166).

Almost surely, 2^22526406 is an apocalyptic number.

22526406 is an abundant number, since it is smaller than the sum of its proper divisors (33253578).

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

22526406 is a wasteful number, since it uses less digits than its factorization.

22526406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178796 (or 178793 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 22526406 is about 4746.1991108676. The cubic root of 22526406 is about 282.4212054767.

Adding to 22526406 its reverse (60462522), we get a palindrome (82988928).

The spelling of 22526406 in words is "twenty-two million, five hundred twenty-six thousand, four hundred six".