22394770944 has 320 divisors, whose sum is σ = 74839209984. Its totient is φ = 5792956416.

The previous prime is 22394770913. The next prime is 22394770967. The reversal of 22394770944 is 44907749322.

It is a super-2 number, since 2×22394770944² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7406617 + ... + 7409639.

Almost surely, 2^22394770944 is an apocalyptic number.

22394770944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22394770944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37419604992).

22394770944 is an abundant number, since it is smaller than the sum of its proper divisors (52444439040).

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

22394770944 is a wasteful number, since it uses less digits than its factorization.

22394770944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3101 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 22394770944 in words is "twenty-two billion, three hundred ninety-four million, seven hundred seventy thousand, nine hundred forty-four".