28056284622 has 48 divisors (see below), whose sum is σ = 62109994752. Its totient is φ = 9148986000.

The previous prime is 28056284591. The next prime is 28056284647. The reversal of 28056284622 is 22648265082.

28056284622 is a `hidden beast` number, since 2 + 8 + 0 + 562 + 84 + 6 + 2 + 2 = 666.

It is a super-3 number, since 3×28056284622³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2283997 + ... + 2296247.

It is an arithmetic number, because the mean of its divisors is an integer number (1293958224).

Almost surely, 2^28056284622 is an apocalyptic number.

28056284622 is an abundant number, since it is smaller than the sum of its proper divisors (34053710130).

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

28056284622 is a wasteful number, since it uses less digits than its factorization.

28056284622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15013 (or 15010 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 28056284622 in words is "twenty-eight billion, fifty-six million, two hundred eighty-four thousand, six hundred twenty-two".