22057960 has 32 divisors (see below), whose sum is σ = 49977000. Its totient is φ = 8761600.

The previous prime is 22057949. The next prime is 22057961. The reversal of 22057960 is 6975022.

It can be written as a sum of positive squares in 4 ways, for example, as 12236004 + 9821956 = 3498^2 + 3134^2 .

It is not an unprimeable number, because it can be changed into a prime (22057961) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4110 + ... + 7810.

Almost surely, 2^22057960 is an apocalyptic number.

22057960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22057960 is an abundant number, since it is smaller than the sum of its proper divisors (27919040).

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

22057960 is a wasteful number, since it uses less digits than its factorization.

22057960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861 (or 3857 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 22057960 is about 4696.5902525130. The cubic root of 22057960 is about 280.4497872865.

The spelling of 22057960 in words is "twenty-two million, fifty-seven thousand, nine hundred sixty".