22212182065920 has 432 divisors, whose sum is σ = 90024251482368. Its totient is φ = 4615517921280.

The previous prime is 22212182065891. The next prime is 22212182065967. The reversal of 22212182065920 is 2956028121222.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3296124 + ... + 7435643.

It is an arithmetic number, because the mean of its divisors is an integer number (208389471024).

Almost surely, 2^{22212182065920} is an apocalyptic number.

22212182065920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212182065920 is an abundant number, since it is smaller than the sum of its proper divisors (67812069416448).

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

22212182065920 is a wasteful number, since it uses less digits than its factorization.

22212182065920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731816 (or 10731795 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 22212182065920 in words is "twenty-two trillion, two hundred twelve billion, one hundred eighty-two million, sixty-five thousand, nine hundred twenty".