22057623 has 16 divisors (see below), whose sum is σ = 37346560. Its totient is φ = 12604248.

The previous prime is 22057601. The next prime is 22057639. The reversal of 22057623 is 32675022.

It is not a de Polignac number, because 22057623 - 2⁵ = 22057591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22057663) 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 15 ways as a sum of consecutive naturals, for example, 58165 + ... + 58542.

It is an arithmetic number, because the mean of its divisors is an integer number (2334160).

Almost surely, 2^22057623 is an apocalyptic number.

22057623 is a deficient number, since it is larger than the sum of its proper divisors (15288937).

22057623 is a wasteful number, since it uses less digits than its factorization.

22057623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116723 (or 116717 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 22057623 is about 4696.5543752841. The cubic root of 22057623 is about 280.4483590483.

The spelling of 22057623 in words is "twenty-two million, fifty-seven thousand, six hundred twenty-three".