22520963 has 2 divisors, whose sum is σ = 22520964. Its totient is φ = 22520962.

The previous prime is 22520959. The next prime is 22520969. The reversal of 22520963 is 36902522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22520963 - 2² = 22520959 is a prime.

It is not a weakly prime, because it can be changed into another prime (22520969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11260481 + 11260482.

It is an arithmetic number, because the mean of its divisors is an integer number (11260482).

Almost surely, 2^22520963 is an apocalyptic number.

22520963 is a deficient number, since it is larger than the sum of its proper divisors (1).

22520963 is an equidigital number, since it uses as much as digits as its factorization.

22520963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 22520963 is about 4745.6256700250. The cubic root of 22520963 is about 282.3984567309.

The spelling of 22520963 in words is "twenty-two million, five hundred twenty thousand, nine hundred sixty-three".