22572385 has 16 divisors (see below), whose sum is σ = 29860992. Its totient is φ = 16243200.

The previous prime is 22572317. The next prime is 22572401. The reversal of 22572385 is 58327522.

It is not a de Polignac number, because 22572385 - 2⁹ = 22571873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22572385.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3220 + ... + 7450.

It is an arithmetic number, because the mean of its divisors is an integer number (1866312).

Almost surely, 2^22572385 is an apocalyptic number.

It is an amenable number.

22572385 is a deficient number, since it is larger than the sum of its proper divisors (7288607).

22572385 is a wasteful number, since it uses less digits than its factorization.

22572385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344.

The product of its digits is 33600, while the sum is 34.

The square root of 22572385 is about 4751.0404123729. The cubic root of 22572385 is about 282.6132263385.

The spelling of 22572385 in words is "twenty-two million, five hundred seventy-two thousand, three hundred eighty-five".