22905049 has 2 divisors, whose sum is σ = 22905050. Its totient is φ = 22905048.

The previous prime is 22905017. The next prime is 22905053. The reversal of 22905049 is 94050922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17909824 + 4995225 = 4232^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 22905049 - 2⁵ = 22905017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22905049.

It is not a weakly prime, because it can be changed into another prime (22905059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11452524 + 11452525.

It is an arithmetic number, because the mean of its divisors is an integer number (11452525).

Almost surely, 2^22905049 is an apocalyptic number.

It is an amenable number.

22905049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22905049 is an equidigital number, since it uses as much as digits as its factorization.

22905049 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 31.

The square root of 22905049 is about 4785.9219592467. The cubic root of 22905049 is about 283.9948132690.

The spelling of 22905049 in words is "twenty-two million, nine hundred five thousand, forty-nine".