22995121 has 2 divisors, whose sum is σ = 22995122. Its totient is φ = 22995120.

The previous prime is 22995113. The next prime is 22995151. The reversal of 22995121 is 12159922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11806096 + 11189025 = 3436^2 + 3345^2 .

It is a cyclic number.

It is not a de Polignac number, because 22995121 - 2³ = 22995113 is a prime.

It is not a weakly prime, because it can be changed into another prime (22995151) 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, 11497560 + 11497561.

It is an arithmetic number, because the mean of its divisors is an integer number (11497561).

Almost surely, 2^22995121 is an apocalyptic number.

It is an amenable number.

22995121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22995121 is an equidigital number, since it uses as much as digits as its factorization.

22995121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 22995121 is about 4795.3228254206. The cubic root of 22995121 is about 284.3665875384.

The spelling of 22995121 in words is "twenty-two million, nine hundred ninety-five thousand, one hundred twenty-one".