2722935621 has 16 divisors (see below), whose sum is σ = 4156251264. Its totient is φ = 1553332224.

The previous prime is 2722935617. The next prime is 2722935641. The reversal of 2722935621 is 1265392272.

It is not a de Polignac number, because 2722935621 - 2² = 2722935617 is a prime.

It is a super-2 number, since 2×2722935621² = 14828756792221311282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2722935621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722935601) 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, 96876 + ... + 121781.

It is an arithmetic number, because the mean of its divisors is an integer number (259765704).

Almost surely, 2^2722935621 is an apocalyptic number.

2722935621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2722935621 is a deficient number, since it is larger than the sum of its proper divisors (1433315643).

2722935621 is a wasteful number, since it uses less digits than its factorization.

2722935621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219260.

The product of its digits is 90720, while the sum is 39.

The square root of 2722935621 is about 52181.7556335545. The cubic root of 2722935621 is about 1396.4084165901.

The spelling of 2722935621 in words is "two billion, seven hundred twenty-two million, nine hundred thirty-five thousand, six hundred twenty-one".