28362221630 has 16 divisors (see below), whose sum is σ = 51073848864. Its totient is φ = 11340033120.

The previous prime is 28362221603. The next prime is 28362221659. The reversal of 28362221630 is 3612226382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582362 + ... + 629181.

It is an arithmetic number, because the mean of its divisors is an integer number (3192115554).

Almost surely, 2^28362221630 is an apocalyptic number.

28362221630 is a deficient number, since it is larger than the sum of its proper divisors (22711627234).

28362221630 is a wasteful number, since it uses less digits than its factorization.

28362221630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213891.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 28362221630 in words is "twenty-eight billion, three hundred sixty-two million, two hundred twenty-one thousand, six hundred thirty".