22056140392 has 192 divisors, whose sum is σ = 50703004800. Its totient is φ = 8929958400.

The previous prime is 22056140377. The next prime is 22056140423. The reversal of 22056140392 is 29304165022.

It is a super-2 number, since 2×22056140392² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45289573 + ... + 45290059.

It is an arithmetic number, because the mean of its divisors is an integer number (264078150).

Almost surely, 2^22056140392 is an apocalyptic number.

22056140392 is a gapful number since it is divisible by the number (22) 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 22056140392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25351502400).

22056140392 is an abundant number, since it is smaller than the sum of its proper divisors (28646864408).

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

22056140392 is a wasteful number, since it uses less digits than its factorization.

22056140392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 22056140392 in words is "twenty-two billion, fifty-six million, one hundred forty thousand, three hundred ninety-two".