2172372022 has 16 divisors (see below), whose sum is σ = 3296070000. Its totient is φ = 1073751840.

The previous prime is 2172371987. The next prime is 2172372023. The reversal of 2172372022 is 2202732712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172372023) 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, 45604 + ... + 80152.

It is an arithmetic number, because the mean of its divisors is an integer number (206004375).

Almost surely, 2^2172372022 is an apocalyptic number.

2172372022 is a deficient number, since it is larger than the sum of its proper divisors (1123697978).

2172372022 is a wasteful number, since it uses less digits than its factorization.

2172372022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34911.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2172372022 is about 46608.7118680617. The cubic root of 2172372022 is about 1295.1241458578.

The spelling of 2172372022 in words is "two billion, one hundred seventy-two million, three hundred seventy-two thousand, twenty-two".