1222653764617 has 32 divisors (see below), whose sum is σ = 1297768521600. Its totient is φ = 1150456462848.

The previous prime is 1222653764593. The next prime is 1222653764621. The reversal of 1222653764617 is 7164673562221.

It is a cyclic number.

It is not a de Polignac number, because 1222653764617 - 2²⁷ = 1222519546889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222653764677) 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, 118319983 + ... + 118330315.

It is an arithmetic number, because the mean of its divisors is an integer number (40555266300).

Almost surely, 2^{1222653764617} is an apocalyptic number.

It is an amenable number.

1222653764617 is a deficient number, since it is larger than the sum of its proper divisors (75114756983).

1222653764617 is a wasteful number, since it uses less digits than its factorization.

1222653764617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11305.

The product of its digits is 5080320, while the sum is 52.

The spelling of 1222653764617 in words is "one trillion, two hundred twenty-two billion, six hundred fifty-three million, seven hundred sixty-four thousand, six hundred seventeen".