22556705 has 16 divisors (see below), whose sum is σ = 30170880. Its totient is φ = 16088832.

The previous prime is 22556701. The next prime is 22556707. The reversal of 22556705 is 50765522.

It is a cyclic number.

It is not a de Polignac number, because 22556705 - 2² = 22556701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22556701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5369 + ... + 8598.

It is an arithmetic number, because the mean of its divisors is an integer number (1885680).

Almost surely, 2^22556705 is an apocalyptic number.

It is an amenable number.

22556705 is a deficient number, since it is larger than the sum of its proper divisors (7614175).

22556705 is a wasteful number, since it uses less digits than its factorization.

22556705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14008.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 22556705 is about 4749.3899608265. The cubic root of 22556705 is about 282.5477717003.

It can be divided in two parts, 22556 and 705, that multiplied together give a triangular number (15901980 = T₅₆₃₉).

The spelling of 22556705 in words is "twenty-two million, five hundred fifty-six thousand, seven hundred five".