2292172881 has 16 divisors (see below), whose sum is σ = 3114851520. Its totient is φ = 1499083200.

The previous prime is 2292172879. The next prime is 2292172907. The reversal of 2292172881 is 1882712922.

It is not a de Polignac number, because 2292172881 - 2¹ = 2292172879 is a prime.

It is a super-2 number, since 2×2292172881² = 10508113032783680322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2292172081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675 + ... + 67728.

It is an arithmetic number, because the mean of its divisors is an integer number (194678220).

Almost surely, 2^2292172881 is an apocalyptic number.

It is an amenable number.

2292172881 is a deficient number, since it is larger than the sum of its proper divisors (822678639).

2292172881 is a wasteful number, since it uses less digits than its factorization.

2292172881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69616.

The product of its digits is 64512, while the sum is 42.

The square root of 2292172881 is about 47876.6423321436. The cubic root of 2292172881 is about 1318.5070511744.

The spelling of 2292172881 in words is "two billion, two hundred ninety-two million, one hundred seventy-two thousand, eight hundred eighty-one".