2172477954 has 16 divisors (see below), whose sum is σ = 4485116160. Its totient is φ = 700799280.

The previous prime is 2172477941. The next prime is 2172478001. The reversal of 2172477954 is 4597742712.

It is a super-2 number, since 2×2172477954² = 9439320921232052232, which contains 22 as substring.

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, 5839809 + ... + 5840180.

It is an arithmetic number, because the mean of its divisors is an integer number (280319760).

Almost surely, 2^2172477954 is an apocalyptic number.

2172477954 is an abundant number, since it is smaller than the sum of its proper divisors (2312638206).

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

2172477954 is a wasteful number, since it uses less digits than its factorization.

2172477954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680025.

The product of its digits is 987840, while the sum is 48.

The square root of 2172477954 is about 46609.8482512012. The cubic root of 2172477954 is about 1295.1451970191.

The spelling of 2172477954 in words is "two billion, one hundred seventy-two million, four hundred seventy-seven thousand, nine hundred fifty-four".