22807541 has 2 divisors, whose sum is σ = 22807542. Its totient is φ = 22807540.

The previous prime is 22807471. The next prime is 22807573. The reversal of 22807541 is 14570822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22600516 + 207025 = 4754^2 + 455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22807541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22807241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11403770 + 11403771.

It is an arithmetic number, because the mean of its divisors is an integer number (11403771).

Almost surely, 2^22807541 is an apocalyptic number.

It is an amenable number.

22807541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22807541 is an equidigital number, since it uses as much as digits as its factorization.

22807541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 22807541 is about 4775.7241335739. The cubic root of 22807541 is about 283.5912464317.

The spelling of 22807541 in words is "twenty-two million, eight hundred seven thousand, five hundred forty-one".