1222952880384 has 81 divisors (see below), whose sum is σ = 3526227700723. Its totient is φ = 407633266176.

The previous prime is 1222952880377. The next prime is 1222952880389. The reversal of 1222952880384 is 4830882592221.

The square root of 1222952880384 is 1105872.

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

1222952880384 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 9 + 528 + 80 + 38 + 4 = 666.

It is a super-2 number, since 2×1222952880384² (a number of 25 digits) contains 22 as substring.

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 1222952880384.

It is not an unprimeable number, because it can be changed into a prime (1222952880389) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 53070337 + ... + 53093375.

Almost surely, 2^{1222952880384} is an apocalyptic number.

1222952880384 is the 1105872-nd square number.

It is an amenable number.

1222952880384 is an abundant number, since it is smaller than the sum of its proper divisors (2303274820339).

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

1222952880384 is an frugal number, since it uses more digits than its factorization.

1222952880384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46100 (or 23044 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 1222952880384 in words is "one trillion, two hundred twenty-two billion, nine hundred fifty-two million, eight hundred eighty thousand, three hundred eighty-four".