2797722938 has 8 divisors (see below), whose sum is σ = 4197865620. Its totient is φ = 1398434400.

The previous prime is 2797722919. The next prime is 2797722959. The reversal of 2797722938 is 8392277972.

It can be written as a sum of positive squares in 2 ways, for example, as 2769601129 + 28121809 = 52627^2 + 5303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2797722938² = 15654507275622703688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205283 + ... + 218486.

Almost surely, 2^2797722938 is an apocalyptic number.

2797722938 is a deficient number, since it is larger than the sum of its proper divisors (1400142682).

2797722938 is a wasteful number, since it uses less digits than its factorization.

2797722938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427072.

The product of its digits is 5334336, while the sum is 56.

The square root of 2797722938 is about 52893.5056315990. The cubic root of 2797722938 is about 1409.0775681237.

The spelling of 2797722938 in words is "two billion, seven hundred ninety-seven million, seven hundred twenty-two thousand, nine hundred thirty-eight".