22351897792 has 56 divisors (see below), whose sum is σ = 51213597344. Its totient is φ = 9480609792.

The previous prime is 22351897781. The next prime is 22351897817. The reversal of 22351897792 is 29779815322.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213723 + ... + 300634.

It is an arithmetic number, because the mean of its divisors is an integer number (914528524).

Almost surely, 2^22351897792 is an apocalyptic number.

It is an amenable number.

22351897792 is an abundant number, since it is smaller than the sum of its proper divisors (28861699552).

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

22351897792 is an equidigital number, since it uses as much as digits as its factorization.

22351897792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514473 (or 514463 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The spelling of 22351897792 in words is "twenty-two billion, three hundred fifty-one million, eight hundred ninety-seven thousand, seven hundred ninety-two".