22057239 has 8 divisors (see below), whose sum is σ = 29434240. Its totient is φ = 14692536.

The previous prime is 22057229. The next prime is 22057267. The reversal of 22057239 is 93275022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22057239 - 2¹¹ = 22055191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22057229) 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, 2622 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (3679280).

Almost surely, 2^22057239 is an apocalyptic number.

22057239 is a deficient number, since it is larger than the sum of its proper divisors (7377001).

22057239 is a wasteful number, since it uses less digits than its factorization.

22057239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 22057239 is about 4696.5134940720. The cubic root of 22057239 is about 280.4467316020.

The spelling of 22057239 in words is "twenty-two million, fifty-seven thousand, two hundred thirty-nine".