22057385 has 32 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 13962240.

The previous prime is 22057369. The next prime is 22057393. The reversal of 22057385 is 58375022.

It is not a de Polignac number, because 22057385 - 2⁴ = 22057369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26861 + ... + 27669.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^22057385 is an apocalyptic number.

It is an amenable number.

22057385 is a deficient number, since it is larger than the sum of its proper divisors (10601815).

22057385 is a wasteful number, since it uses less digits than its factorization.

22057385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 22057385 is about 4696.5290374914. The cubic root of 22057385 is about 280.4473503729.

The spelling of 22057385 in words is "twenty-two million, fifty-seven thousand, three hundred eighty-five".