22255700 has 18 divisors (see below), whose sum is σ = 48295086. Its totient is φ = 8902240.

The previous prime is 22255693. The next prime is 22255741. The reversal of 22255700 is 755222.

It can be written as a sum of positive squares in 3 ways, for example, as 315844 + 21939856 = 562^2 + 4684^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 111179 + ... + 111378.

Almost surely, 2^22255700 is an apocalyptic number.

22255700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22255700 is an abundant number, since it is smaller than the sum of its proper divisors (26039386).

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

22255700 is a wasteful number, since it uses less digits than its factorization.

22255700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222571 (or 222564 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 22255700 is about 4717.5947261290. The cubic root of 22255700 is about 281.2853321867.

The spelling of 22255700 in words is "twenty-two million, two hundred fifty-five thousand, seven hundred".