22522945 has 8 divisors (see below), whose sum is σ = 27144936. Its totient is φ = 17940096.

The previous prime is 22522939. The next prime is 22522987. The reversal of 22522945 is 54922522.

It can be written as a sum of positive squares in 4 ways, for example, as 3964081 + 18558864 = 1991^2 + 4308^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22522945 - 2¹⁵ = 22490177 is a prime.

It is a super-3 number, since 3×22522945³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8502 + ... + 10831.

It is an arithmetic number, because the mean of its divisors is an integer number (3393117).

Almost surely, 2^22522945 is an apocalyptic number.

It is an amenable number.

22522945 is a deficient number, since it is larger than the sum of its proper divisors (4621991).

22522945 is a wasteful number, since it uses less digits than its factorization.

22522945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19571.

The product of its digits is 14400, while the sum is 31.

The square root of 22522945 is about 4745.8344893180. The cubic root of 22522945 is about 282.4067408249.

The spelling of 22522945 in words is "twenty-two million, five hundred twenty-two thousand, nine hundred forty-five".