22057755 has 16 divisors (see below), whose sum is σ = 37368864. Its totient is φ = 11072000.

The previous prime is 22057747. The next prime is 22057769. The reversal of 22057755 is 55775022.

It is not a de Polignac number, because 22057755 - 2³ = 22057747 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 42996 + ... + 43505.

It is an arithmetic number, because the mean of its divisors is an integer number (2335554).

Almost surely, 2^22057755 is an apocalyptic number.

22057755 is a deficient number, since it is larger than the sum of its proper divisors (15311109).

22057755 is a wasteful number, since it uses less digits than its factorization.

22057755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86526.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 22057755 is about 4696.5684281186. The cubic root of 22057755 is about 280.4489184786.

It can be divided in two parts, 220 and 57755, that added together give a palindrome (57975).

The spelling of 22057755 in words is "twenty-two million, fifty-seven thousand, seven hundred fifty-five".