22254899 has 2 divisors, whose sum is σ = 22254900. Its totient is φ = 22254898.

The previous prime is 22254889. The next prime is 22254913. The reversal of 22254899 is 99845222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22254899 - 2²⁰ = 21206323 is a prime.

It is not a weakly prime, because it can be changed into another prime (22254889) 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, 11127449 + 11127450.

It is an arithmetic number, because the mean of its divisors is an integer number (11127450).

Almost surely, 2^22254899 is an apocalyptic number.

22254899 is a deficient number, since it is larger than the sum of its proper divisors (1).

22254899 is an equidigital number, since it uses as much as digits as its factorization.

22254899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 22254899 is about 4717.5098304084. The cubic root of 22254899 is about 281.2819575867.

The spelling of 22254899 in words is "twenty-two million, two hundred fifty-four thousand, eight hundred ninety-nine".