22504541 has 2 divisors, whose sum is σ = 22504542. Its totient is φ = 22504540.

The previous prime is 22504529. The next prime is 22504577. The reversal of 22504541 is 14540522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13293316 + 9211225 = 3646^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 22504541 - 2⁶ = 22504477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22506541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11252270 + 11252271.

It is an arithmetic number, because the mean of its divisors is an integer number (11252271).

Almost surely, 2^22504541 is an apocalyptic number.

It is an amenable number.

22504541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22504541 is an equidigital number, since it uses as much as digits as its factorization.

22504541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 22504541 is about 4743.8951295323. The cubic root of 22504541 is about 282.3297995850.

The spelling of 22504541 in words is "twenty-two million, five hundred four thousand, five hundred forty-one".