22902493899 has 4 divisors (see below), whose sum is σ = 30536658536. Its totient is φ = 15268329264.

The previous prime is 22902493853. The next prime is 22902493903. The reversal of 22902493899 is 99839420922.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22902493899 - 2¹² = 22902489803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22902493699) 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, 3817082314 + ... + 3817082319.

It is an arithmetic number, because the mean of its divisors is an integer number (7634164634).

Almost surely, 2^22902493899 is an apocalyptic number.

22902493899 is a deficient number, since it is larger than the sum of its proper divisors (7634164637).

22902493899 is an equidigital number, since it uses as much as digits as its factorization.

22902493899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7634164636.

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 22902493899 in words is "twenty-two billion, nine hundred two million, four hundred ninety-three thousand, eight hundred ninety-nine".