22057412 has 24 divisors (see below), whose sum is σ = 42007896. Its totient is φ = 10073088.

The previous prime is 22057403. The next prime is 22057433. The reversal of 22057412 is 21475022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 952576 + 21104836 = 976^2 + 4594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2858 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (1750329).

Almost surely, 2^22057412 is an apocalyptic number.

It is an amenable number.

22057412 is a deficient number, since it is larger than the sum of its proper divisors (19950484).

22057412 is a wasteful number, since it uses less digits than its factorization.

22057412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487 (or 4485 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 22057412 is about 4696.5319119538. The cubic root of 22057412 is about 280.4474648028.

The spelling of 22057412 in words is "twenty-two million, fifty-seven thousand, four hundred twelve".