22520085 has 32 divisors (see below), whose sum is σ = 41502720. Its totient is φ = 10214208.

The previous prime is 22520083. The next prime is 22520131. The reversal of 22520085 is 58002522.

It is not a de Polignac number, because 22520085 - 2¹ = 22520083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13824 + ... + 15366.

It is an arithmetic number, because the mean of its divisors is an integer number (1296960).

Almost surely, 2^22520085 is an apocalyptic number.

It is an amenable number.

22520085 is a deficient number, since it is larger than the sum of its proper divisors (18982635).

22520085 is a wasteful number, since it uses less digits than its factorization.

22520085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 22520085 is about 4745.5331628806. The cubic root of 22520085 is about 282.3947868306.

The spelling of 22520085 in words is "twenty-two million, five hundred twenty thousand, eighty-five".