22916908489 has 4 divisors (see below), whose sum is σ = 23239681920. Its totient is φ = 22594135060.

The previous prime is 22916908481. The next prime is 22916908513. The reversal of 22916908489 is 98480961922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22916908489 - 2³ = 22916908481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22916908481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161386609 + ... + 161386750.

It is an arithmetic number, because the mean of its divisors is an integer number (5809920480).

Almost surely, 2^22916908489 is an apocalyptic number.

It is an amenable number.

22916908489 is a deficient number, since it is larger than the sum of its proper divisors (322773431).

22916908489 is an equidigital number, since it uses as much as digits as its factorization.

22916908489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322773430.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 22916908489 in words is "twenty-two billion, nine hundred sixteen million, nine hundred eight thousand, four hundred eighty-nine".