2939222221056 has 729 divisors, whose sum is σ = 9947196732109. Its totient is φ = 833891942400.

The previous prime is 2939222221043. The next prime is 2939222221069. The reversal of 2939222221056 is 6501222229392.

The square root of 2939222221056 is 1714416.

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

2939222221056 is a `hidden beast` number, since 29 + 392 + 2 + 22 + 210 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2939222221043) and next prime (2939222221069).

It can be written as a sum of positive squares in only one way, i.e., 2288321798400 + 650900422656 = 1512720^2 + 806784^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 15388597921 + ... + 15388598111.

Almost surely, 2^{2939222221056} is an apocalyptic number.

2939222221056 is the 1714416-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2939222221056

2939222221056 is an abundant number, since it is smaller than the sum of its proper divisors (7007974511053).

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

2939222221056 is a wasteful number, since it uses less digits than its factorization.

2939222221056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 2939222221056 in words is "two trillion, nine hundred thirty-nine billion, two hundred twenty-two million, two hundred twenty-one thousand, fifty-six".