22520046 has 32 divisors (see below), whose sum is σ = 46430208. Its totient is φ = 7277760.

The previous prime is 22520039. The next prime is 22520051. The reversal of 22520046 is 64002522.

It is a congruent number.

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, 49050 + ... + 49506.

It is an arithmetic number, because the mean of its divisors is an integer number (1450944).

Almost surely, 2^22520046 is an apocalyptic number.

22520046 is an abundant number, since it is smaller than the sum of its proper divisors (23910162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22520046 is a wasteful number, since it uses less digits than its factorization.

22520046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22520046 is about 4745.5290537515. The cubic root of 22520046 is about 282.3946238146.

Adding to 22520046 its reverse (64002522), we get a palindrome (86522568).

The spelling of 22520046 in words is "twenty-two million, five hundred twenty thousand, forty-six".