22520941 has 2 divisors, whose sum is σ = 22520942. Its totient is φ = 22520940.

The previous prime is 22520929. The next prime is 22520957. The reversal of 22520941 is 14902522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18404100 + 4116841 = 4290^2 + 2029^2 .

It is a cyclic number.

It is not a de Polignac number, because 22520941 - 2¹¹ = 22518893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22520921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11260470 + 11260471.

It is an arithmetic number, because the mean of its divisors is an integer number (11260471).

Almost surely, 2^22520941 is an apocalyptic number.

It is an amenable number.

22520941 is a deficient number, since it is larger than the sum of its proper divisors (1).

22520941 is an equidigital number, since it uses as much as digits as its factorization.

22520941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22520941 is about 4745.6233521003. The cubic root of 22520941 is about 282.3983647756.

The spelling of 22520941 in words is "twenty-two million, five hundred twenty thousand, nine hundred forty-one".