22002001021992 has 32 divisors (see below), whose sum is σ = 55013490060480. Its totient is φ = 7332868673280.

The previous prime is 22002001021969. The next prime is 22002001022009. The reversal of 22002001021992 is 29912010020022.

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, 70570428 + ... + 70881515.

It is an arithmetic number, because the mean of its divisors is an integer number (1719171564390).

Almost surely, 2^{22002001021992} is an apocalyptic number.

It is an amenable number.

22002001021992 is an abundant number, since it is smaller than the sum of its proper divisors (33011489038488).

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

22002001021992 is a wasteful number, since it uses less digits than its factorization.

22002001021992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141458433 (or 141458429 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 22002001021992 in words is "twenty-two trillion, two billion, one million, twenty-one thousand, nine hundred ninety-two".