22457700 has 54 divisors (see below), whose sum is σ = 70395234. Its totient is φ = 5988480.

The previous prime is 22457693. The next prime is 22457711. The reversal of 22457700 is 775422.

It can be written as a sum of positive squares in 3 ways, for example, as 2903616 + 19554084 = 1704^2 + 4422^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11577 + ... + 13376.

Almost surely, 2^22457700 is an apocalyptic number.

22457700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22457700 is an abundant number, since it is smaller than the sum of its proper divisors (47937534).

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

22457700 is a wasteful number, since it uses less digits than its factorization.

22457700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24973 (or 24963 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 22457700 is about 4738.9555811381. The cubic root of 22457700 is about 282.1337829083.

The spelling of 22457700 in words is "twenty-two million, four hundred fifty-seven thousand, seven hundred".