30221834628 has 24 divisors (see below), whose sum is σ = 70524857088. Its totient is φ = 10072910176.

The previous prime is 30221834627. The next prime is 30221834639. The reversal of 30221834628 is 82643812203.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30221834627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2676 + ... + 245867.

It is an arithmetic number, because the mean of its divisors is an integer number (2938535712).

Almost surely, 2^30221834628 is an apocalyptic number.

It is an amenable number.

30221834628 is an abundant number, since it is smaller than the sum of its proper divisors (40303022460).

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

30221834628 is a wasteful number, since it uses less digits than its factorization.

30221834628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258683 (or 258681 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 30221834628 in words is "thirty billion, two hundred twenty-one million, eight hundred thirty-four thousand, six hundred twenty-eight".