22813019 has 2 divisors, whose sum is σ = 22813020. Its totient is φ = 22813018.

The previous prime is 22813009. The next prime is 22813039. The reversal of 22813019 is 91031822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22813019 - 2²⁴ = 6035803 is a prime.

It is a super-2 number, since 2×22813019² = 1040867671788722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22813009) 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, 11406509 + 11406510.

It is an arithmetic number, because the mean of its divisors is an integer number (11406510).

Almost surely, 2^22813019 is an apocalyptic number.

22813019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22813019 is an equidigital number, since it uses as much as digits as its factorization.

22813019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 22813019 is about 4776.2976247298. The cubic root of 22813019 is about 283.6139492808.

The spelling of 22813019 in words is "twenty-two million, eight hundred thirteen thousand, nineteen".