22402899344 has 80 divisors (see below), whose sum is σ = 50640770688. Its totient is φ = 9402725376.

The previous prime is 22402899307. The next prime is 22402899403. The reversal of 22402899344 is 44399820422.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289564 + ... + 1306820.

Almost surely, 2^22402899344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22402899344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25320385344).

22402899344 is an abundant number, since it is smaller than the sum of its proper divisors (28237871344).

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

22402899344 is a wasteful number, since it uses less digits than its factorization.

22402899344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17512 (or 17506 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 22402899344 in words is "twenty-two billion, four hundred two million, eight hundred ninety-nine thousand, three hundred forty-four".