22912097994 has 16 divisors (see below), whose sum is σ = 50915773440. Its totient is φ = 7637365980.

The previous prime is 22912097993. The next prime is 22912098017. The reversal of 22912097994 is 49979021922.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 424298111 = 22912097994 / (2 + 2 + 9 + 1 + 2 + 0 + 9 + 7 + 9 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 22912097994.

It is not an unprimeable number, because it can be changed into a prime (22912097993) 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, 212149002 + ... + 212149109.

It is an arithmetic number, because the mean of its divisors is an integer number (3182235840).

Almost surely, 2^22912097994 is an apocalyptic number.

22912097994 is an abundant number, since it is smaller than the sum of its proper divisors (28003675446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22912097994 is a wasteful number, since it uses less digits than its factorization.

22912097994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424298122 (or 424298116 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 22912097994 in words is "twenty-two billion, nine hundred twelve million, ninety-seven thousand, nine hundred ninety-four".