22555250 has 32 divisors (see below), whose sum is σ = 42771456. Its totient is φ = 8905200.

The previous prime is 22555241. The next prime is 22555271. The reversal of 22555250 is 5255522.

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 15 ways as a sum of consecutive naturals, for example, 20207 + ... + 21293.

It is an arithmetic number, because the mean of its divisors is an integer number (1336608).

Almost surely, 2^22555250 is an apocalyptic number.

22555250 is a deficient number, since it is larger than the sum of its proper divisors (20216206).

22555250 is a wasteful number, since it uses less digits than its factorization.

22555250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 22555250 is about 4749.2367807891. The cubic root of 22555250 is about 282.5416964063.

The spelling of 22555250 in words is "twenty-two million, five hundred fifty-five thousand, two hundred fifty".