30221332230232 has 256 divisors, whose sum is σ = 68833123591680. Its totient is φ = 12255747379200.

The previous prime is 30221332230217. The next prime is 30221332230269. The reversal of 30221332230232 is 23203223312203.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30221332230232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2555277103 + ... + 2555288929.

It is an arithmetic number, because the mean of its divisors is an integer number (268879389030).

Almost surely, 2^{30221332230232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30221332230232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34416561795840).

30221332230232 is an abundant number, since it is smaller than the sum of its proper divisors (38611791361448).

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

30221332230232 is a wasteful number, since it uses less digits than its factorization.

30221332230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12402 (or 12398 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 30221332230232 its reverse (23203223312203), we get a palindrome (53424555542435).

The spelling of 30221332230232 in words is "thirty trillion, two hundred twenty-one billion, three hundred thirty-two million, two hundred thirty thousand, two hundred thirty-two".