22122701320 has 16 divisors (see below), whose sum is σ = 49776078060. Its totient is φ = 8849080512.

The previous prime is 22122701311. The next prime is 22122701333. The reversal of 22122701320 is 2310722122.

It can be written as a sum of positive squares in 2 ways, for example, as 21153375364 + 969325956 = 145442^2 + 31134^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22122701291 and 22122701300.

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, 276533727 + ... + 276533806.

Almost surely, 2^22122701320 is an apocalyptic number.

22122701320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122701320 is an abundant number, since it is smaller than the sum of its proper divisors (27653376740).

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

22122701320 is a wasteful number, since it uses less digits than its factorization.

22122701320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553067544 (or 553067540 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The spelling of 22122701320 in words is "twenty-two billion, one hundred twenty-two million, seven hundred one thousand, three hundred twenty".