4255621728622 has 32 divisors (see below), whose sum is σ = 6978921314400. Its totient is φ = 1930159411200.

The previous prime is 4255621728607. The next prime is 4255621728637. The reversal of 4255621728622 is 2268271265524.

It is an interprime number because it is at equal distance from previous prime (4255621728607) and next prime (4255621728637).

It is a super-2 number, since 2×4255621728622² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4255621728622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55604622 + ... + 55681102.

It is an arithmetic number, because the mean of its divisors is an integer number (218091291075).

Almost surely, 2^{4255621728622} is an apocalyptic number.

4255621728622 is a deficient number, since it is larger than the sum of its proper divisors (2723299585778).

4255621728622 is a wasteful number, since it uses less digits than its factorization.

4255621728622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81972.

The product of its digits is 6451200, while the sum is 52.

The spelling of 4255621728622 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-one million, seven hundred twenty-eight thousand, six hundred twenty-two".