22751388616 has 32 divisors (see below), whose sum is σ = 46546617600. Its totient is φ = 10339387840.

The previous prime is 22751388601. The next prime is 22751388617. The reversal of 22751388616 is 61688315722.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22751388616.

It is not an unprimeable number, because it can be changed into a prime (22751388617) 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, 445065 + ... + 493543.

It is an arithmetic number, because the mean of its divisors is an integer number (1454581800).

Almost surely, 2^22751388616 is an apocalyptic number.

It is an amenable number.

22751388616 is an abundant number, since it is smaller than the sum of its proper divisors (23795228984).

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

22751388616 is a wasteful number, since it uses less digits than its factorization.

22751388616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53829 (or 53825 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 22751388616 in words is "twenty-two billion, seven hundred fifty-one million, three hundred eighty-eight thousand, six hundred sixteen".