22520339 has 4 divisors (see below), whose sum is σ = 23705640. Its totient is φ = 21335040.

The previous prime is 22520321. The next prime is 22520387. The reversal of 22520339 is 93302522.

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 22520339 - 2⁸ = 22520083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22520039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592622 + ... + 592659.

It is an arithmetic number, because the mean of its divisors is an integer number (5926410).

Almost surely, 2^22520339 is an apocalyptic number.

22520339 is a deficient number, since it is larger than the sum of its proper divisors (1185301).

22520339 is a wasteful number, since it uses less digits than its factorization.

22520339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185300.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 22520339 is about 4745.5599248139. The cubic root of 22520339 is about 282.3958485200.

The spelling of 22520339 in words is "twenty-two million, five hundred twenty thousand, three hundred thirty-nine".