22052256 has 24 divisors (see below), whose sum is σ = 57887424. Its totient is φ = 7350720.

The previous prime is 22052237. The next prime is 22052299. The reversal of 22052256 is 65225022.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114760 + ... + 114951.

It is an arithmetic number, because the mean of its divisors is an integer number (2411976).

Almost surely, 2^22052256 is an apocalyptic number.

It is an amenable number.

22052256 is an abundant number, since it is smaller than the sum of its proper divisors (35835168).

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

22052256 is a wasteful number, since it uses less digits than its factorization.

22052256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229724 (or 229716 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 22052256 is about 4695.9829641940. The cubic root of 22052256 is about 280.4256112295.

Adding to 22052256 its reverse (65225022), we get a palindrome (87277278).

The spelling of 22052256 in words is "twenty-two million, fifty-two thousand, two hundred fifty-six".