30221660532 has 48 divisors (see below), whose sum is σ = 82769240960. Its totient is φ = 8401387392.

The previous prime is 30221660501. The next prime is 30221660549. The reversal of 30221660532 is 23506612203.

It is a super-2 number, since 2×30221660532² (a number of 22 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 30221660532.

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, 4858807 + ... + 4865022.

Almost surely, 2^30221660532 is an apocalyptic number.

It is an amenable number.

30221660532 is an abundant number, since it is smaller than the sum of its proper divisors (52547580428).

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

30221660532 is a wasteful number, since it uses less digits than its factorization.

30221660532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723880 (or 9723878 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 30221660532 in words is "thirty billion, two hundred twenty-one million, six hundred sixty thousand, five hundred thirty-two".