22397940708 has 288 divisors, whose sum is σ = 66006678528. Its totient is φ = 5851422720.

The previous prime is 22397940679. The next prime is 22397940731. The reversal of 22397940708 is 80704979322.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 71558760 + ... + 71559072.

It is an arithmetic number, because the mean of its divisors is an integer number (229189856).

Almost surely, 2^22397940708 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 22397940708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33003339264).

22397940708 is an abundant number, since it is smaller than the sum of its proper divisors (43608737820).

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

22397940708 is a wasteful number, since it uses less digits than its factorization.

22397940708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 22397940708 in words is "twenty-two billion, three hundred ninety-seven million, nine hundred forty thousand, seven hundred eight".