22057554 has 16 divisors (see below), whose sum is σ = 45538560. Its totient is φ = 7115280.

The previous prime is 22057543. The next prime is 22057559. The reversal of 22057554 is 45575022.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22057559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59109 + ... + 59480.

It is an arithmetic number, because the mean of its divisors is an integer number (2846160).

Almost surely, 2^22057554 is an apocalyptic number.

22057554 is an abundant number, since it is smaller than the sum of its proper divisors (23481006).

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

22057554 is a wasteful number, since it uses less digits than its factorization.

22057554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118625.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 22057554 is about 4696.5470294675. The cubic root of 22057554 is about 280.4480666179.

The spelling of 22057554 in words is "twenty-two million, fifty-seven thousand, five hundred fifty-four".