322664760647 has 4 divisors (see below), whose sum is σ = 325019978016. Its totient is φ = 320309543280.

The previous prime is 322664760557. The next prime is 322664760703. The reversal of 322664760647 is 746067466223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746067466223 = 8941 ⋅83443403.

It is a cyclic number.

It is not a de Polignac number, because 322664760647 - 2¹⁴ = 322664744263 is a prime.

It is a super-2 number, since 2×322664760647² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322664720647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177608479 + ... + 1177608752.

It is an arithmetic number, because the mean of its divisors is an integer number (81254994504).

Almost surely, 2^322664760647 is an apocalyptic number.

322664760647 is a deficient number, since it is larger than the sum of its proper divisors (2355217369).

322664760647 is a wasteful number, since it uses less digits than its factorization.

322664760647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355217368.

The product of its (nonzero) digits is 12192768, while the sum is 53.

The spelling of 322664760647 in words is "three hundred twenty-two billion, six hundred sixty-four million, seven hundred sixty thousand, six hundred forty-seven".