1222333670464 has 63 divisors (see below), whose sum is σ = 2449226178373. Its totient is φ = 605262973952.

The previous prime is 1222333670449. The next prime is 1222333670471. The reversal of 1222333670464 is 4640763332221.

It is a happy number.

The square root of 1222333670464 is 1105592.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21538497600 + 1200795172864 = 146760^2 + 1095808^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222333670464.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 999454557 + ... + 999455779.

Almost surely, 2^{1222333670464} is an apocalyptic number.

1222333670464 is the 1105592-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222333670464

1222333670464 is an abundant number, since it is smaller than the sum of its proper divisors (1226892507909).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222333670464 is an frugal number, since it uses more digits than its factorization.

1222333670464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 43.

The spelling of 1222333670464 in words is "one trillion, two hundred twenty-two billion, three hundred thirty-three million, six hundred seventy thousand, four hundred sixty-four".