22057079 has 4 divisors (see below), whose sum is σ = 24062280. Its totient is φ = 20051880.

The previous prime is 22057039. The next prime is 22057093. The reversal of 22057079 is 97075022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22057079 - 2⁸ = 22056823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22057019) 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 3 ways as a sum of consecutive naturals, for example, 1002584 + ... + 1002605.

It is an arithmetic number, because the mean of its divisors is an integer number (6015570).

Almost surely, 2^22057079 is an apocalyptic number.

22057079 is a deficient number, since it is larger than the sum of its proper divisors (2005201).

22057079 is a wasteful number, since it uses less digits than its factorization.

22057079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005200.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 22057079 is about 4696.4964601285. The cubic root of 22057079 is about 280.4460534937.

The spelling of 22057079 in words is "twenty-two million, fifty-seven thousand, seventy-nine".