2722621992 has 32 divisors (see below), whose sum is σ = 6808099200. Its totient is φ = 907334784.

The previous prime is 2722621973. The next prime is 2722621997. The reversal of 2722621992 is 2991262272.

It is a super-2 number, since 2×2722621992² = 14825341022644096128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2722621997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125484 + ... + 145572.

It is an arithmetic number, because the mean of its divisors is an integer number (212753100).

Almost surely, 2^2722621992 is an apocalyptic number.

It is an amenable number.

2722621992 is an abundant number, since it is smaller than the sum of its proper divisors (4085477208).

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

2722621992 is a wasteful number, since it uses less digits than its factorization.

2722621992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25745 (or 25741 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 2722621992 is about 52178.7503874901. The cubic root of 2722621992 is about 1396.3548015398.

The spelling of 2722621992 in words is "two billion, seven hundred twenty-two million, six hundred twenty-one thousand, nine hundred ninety-two".