22452919 has 2 divisors, whose sum is σ = 22452920. Its totient is φ = 22452918.

The previous prime is 22452907. The next prime is 22452929. The reversal of 22452919 is 91925422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22452919 - 2⁷ = 22452791 is a prime.

It is a super-2 number, since 2×22452919² = 1008267143241122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22452929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226459 + 11226460.

It is an arithmetic number, because the mean of its divisors is an integer number (11226460).

Almost surely, 2^22452919 is an apocalyptic number.

22452919 is a deficient number, since it is larger than the sum of its proper divisors (1).

22452919 is an equidigital number, since it uses as much as digits as its factorization.

22452919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 22452919 is about 4738.4511182453. The cubic root of 22452919 is about 282.1137604165.

The spelling of 22452919 in words is "twenty-two million, four hundred fifty-two thousand, nine hundred nineteen".