22105256 has 16 divisors (see below), whose sum is σ = 41511840. Its totient is φ = 11035440.

The previous prime is 22105249. The next prime is 22105267. The reversal of 22105256 is 65250122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4541 + ... + 8051.

It is an arithmetic number, because the mean of its divisors is an integer number (2594490).

Almost surely, 2^22105256 is an apocalyptic number.

It is an amenable number.

22105256 is a deficient number, since it is larger than the sum of its proper divisors (19406584).

22105256 is a wasteful number, since it uses less digits than its factorization.

22105256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304 (or 4300 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 22105256 is about 4701.6226986010. The cubic root of 22105256 is about 280.6500881336.

Adding to 22105256 its reverse (65250122), we get a palindrome (87355378).

The spelling of 22105256 in words is "twenty-two million, one hundred five thousand, two hundred fifty-six".