22490894279 has 8 divisors (see below), whose sum is σ = 26301644160. Its totient is φ = 18829585656.

The previous prime is 22490894273. The next prime is 22490894297. The reversal of 22490894279 is 97249809422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22490894279 - 2²⁴ = 22474117063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22490894273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37359989 + ... + 37360590.

It is an arithmetic number, because the mean of its divisors is an integer number (3287705520).

Almost surely, 2^22490894279 is an apocalyptic number.

22490894279 is a deficient number, since it is larger than the sum of its proper divisors (3810749881).

22490894279 is an equidigital number, since it uses as much as digits as its factorization.

22490894279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74720629.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 22490894279 in words is "twenty-two billion, four hundred ninety million, eight hundred ninety-four thousand, two hundred seventy-nine".