22412519 has 2 divisors, whose sum is σ = 22412520. Its totient is φ = 22412518.

The previous prime is 22412501. The next prime is 22412521. The reversal of 22412519 is 91521422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22412519 is a prime.

It is a super-2 number, since 2×22412519² = 1004642015850722, which contains 22 as substring.

Together with 22412521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22412549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206259 + 11206260.

It is an arithmetic number, because the mean of its divisors is an integer number (11206260).

Almost surely, 2^22412519 is an apocalyptic number.

22412519 is a deficient number, since it is larger than the sum of its proper divisors (1).

22412519 is an equidigital number, since it uses as much as digits as its factorization.

22412519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 22412519 is about 4734.1862025062. The cubic root of 22412519 is about 281.9444544624.

The spelling of 22412519 in words is "twenty-two million, four hundred twelve thousand, five hundred nineteen".