622744761261 has 32 divisors (see below), whose sum is σ = 961013652480. Its totient is φ = 351339905664.

The previous prime is 622744761259. The next prime is 622744761271. The reversal of 622744761261 is 162167447226.

It is not a de Polignac number, because 622744761261 - 2¹ = 622744761259 is a prime.

It is a super-2 number, since 2×622744761261² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 622744761261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622744761251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1032606 + ... + 1520448.

It is an arithmetic number, because the mean of its divisors is an integer number (30031676640).

Almost surely, 2^622744761261 is an apocalyptic number.

It is an amenable number.

622744761261 is a deficient number, since it is larger than the sum of its proper divisors (338268891219).

622744761261 is a wasteful number, since it uses less digits than its factorization.

622744761261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488625.

The product of its digits is 1354752, while the sum is 48.

The spelling of 622744761261 in words is "six hundred twenty-two billion, seven hundred forty-four million, seven hundred sixty-one thousand, two hundred sixty-one".