22702347440 has 20 divisors (see below), whose sum is σ = 52782957984. Its totient is φ = 9080938944.

The previous prime is 22702347427. The next prime is 22702347461. The reversal of 22702347440 is 4474320722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 22702347440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141889592 + ... + 141889751.

Almost surely, 2^22702347440 is an apocalyptic number.

22702347440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22702347440 is an abundant number, since it is smaller than the sum of its proper divisors (30080610544).

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

22702347440 is a wasteful number, since it uses less digits than its factorization.

22702347440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283779356 (or 283779350 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 35.

The spelling of 22702347440 in words is "twenty-two billion, seven hundred two million, three hundred forty-seven thousand, four hundred forty".