22198920744 has 128 divisors (see below), whose sum is σ = 74513940480. Its totient is φ = 5322412800.

The previous prime is 22198920721. The next prime is 22198920767. The reversal of 22198920744 is 44702989122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22198920721) and next prime (22198920767).

It is a junction number, because it is equal to n+sod(n) for n = 22198920693 and 22198920702.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437992 + ... + 486039.

It is an arithmetic number, because the mean of its divisors is an integer number (582140160).

Almost surely, 2^22198920744 is an apocalyptic number.

22198920744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22198920744 is an abundant number, since it is smaller than the sum of its proper divisors (52315019736).

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

22198920744 is a wasteful number, since it uses less digits than its factorization.

22198920744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924071 (or 924067 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 22198920744 in words is "twenty-two billion, one hundred ninety-eight million, nine hundred twenty thousand, seven hundred forty-four".