30221452632 has 64 divisors (see below), whose sum is σ = 86482022400. Its totient is φ = 8621199360.

The previous prime is 30221452631. The next prime is 30221452643. The reversal of 30221452632 is 23625412203.

It is a self number, because there is not a number n which added to its sum of digits gives 30221452632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221452631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32632 + ... + 248007.

It is an arithmetic number, because the mean of its divisors is an integer number (1351281600).

Almost surely, 2^30221452632 is an apocalyptic number.

It is an amenable number.

30221452632 is an abundant number, since it is smaller than the sum of its proper divisors (56260569768).

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

30221452632 is a wasteful number, since it uses less digits than its factorization.

30221452632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281296 (or 281292 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 30221452632 its reverse (23625412203), we get a palindrome (53846864835).

The spelling of 30221452632 in words is "thirty billion, two hundred twenty-one million, four hundred fifty-two thousand, six hundred thirty-two".