2622720651 has 8 divisors (see below), whose sum is σ = 3681011520. Its totient is φ = 1656455112.

The previous prime is 2622720643. The next prime is 2622720671. The reversal of 2622720651 is 1560272262.

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

It is not a de Polignac number, because 2622720651 - 2³ = 2622720643 is a prime.

It is a super-2 number, since 2×2622720651² = 13757327226363727602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2622720601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23006265 + ... + 23006378.

It is an arithmetic number, because the mean of its divisors is an integer number (460126440).

Almost surely, 2^2622720651 is an apocalyptic number.

2622720651 is a deficient number, since it is larger than the sum of its proper divisors (1058290869).

2622720651 is a wasteful number, since it uses less digits than its factorization.

2622720651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46012665.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2622720651 is about 51212.5048303635. The cubic root of 2622720651 is about 1379.0626994854.

The spelling of 2622720651 in words is "two billion, six hundred twenty-two million, seven hundred twenty thousand, six hundred fifty-one".