22845379 has 2 divisors, whose sum is σ = 22845380. Its totient is φ = 22845378.

The previous prime is 22845377. The next prime is 22845397. The reversal of 22845379 is 97354822.

Together with next prime (22845397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22845379 - 2¹ = 22845377 is a prime.

It is a super-2 number, since 2×22845379² = 1043822683307282, which contains 22 as substring.

Together with 22845377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22845373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11422689 + 11422690.

It is an arithmetic number, because the mean of its divisors is an integer number (11422690).

Almost surely, 2^22845379 is an apocalyptic number.

22845379 is a deficient number, since it is larger than the sum of its proper divisors (1).

22845379 is an equidigital number, since it uses as much as digits as its factorization.

22845379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 22845379 is about 4779.6839853697. The cubic root of 22845379 is about 283.7479869445.

The spelling of 22845379 in words is "twenty-two million, eight hundred forty-five thousand, three hundred seventy-nine".