2799172231 has 4 divisors (see below), whose sum is σ = 2838597264. Its totient is φ = 2759747200.

The previous prime is 2799172199. The next prime is 2799172241. The reversal of 2799172231 is 1322719972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2799172231 - 2⁵ = 2799172199 is a prime.

It is a super-2 number, since 2×2799172231² = 15670730357603034722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799172241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19712410 + ... + 19712551.

It is an arithmetic number, because the mean of its divisors is an integer number (709649316).

Almost surely, 2^2799172231 is an apocalyptic number.

2799172231 is a deficient number, since it is larger than the sum of its proper divisors (39425033).

2799172231 is an equidigital number, since it uses as much as digits as its factorization.

2799172231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39425032.

The product of its digits is 95256, while the sum is 43.

The square root of 2799172231 is about 52907.2039612754. The cubic root of 2799172231 is about 1409.3208390230.

The spelling of 2799172231 in words is "two billion, seven hundred ninety-nine million, one hundred seventy-two thousand, two hundred thirty-one".