2622642247864 has 16 divisors (see below), whose sum is σ = 4953348043200. Its totient is φ = 1301749436352.

The previous prime is 2622642247831. The next prime is 2622642247873. The reversal of 2622642247864 is 4687422462262.

It is a super-2 number, since 2×2622642247864² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196459784 + ... + 1196461975.

It is an arithmetic number, because the mean of its divisors is an integer number (309584252700).

Almost surely, 2^{2622642247864} is an apocalyptic number.

It is an amenable number.

2622642247864 is a deficient number, since it is larger than the sum of its proper divisors (2330705795336).

2622642247864 is a wasteful number, since it uses less digits than its factorization.

2622642247864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392921902 (or 2392921898 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 55.

The spelling of 2622642247864 in words is "two trillion, six hundred twenty-two billion, six hundred forty-two million, two hundred forty-seven thousand, eight hundred sixty-four".