30222021232 has 60 divisors (see below), whose sum is σ = 64480906440. Its totient is φ = 13712135424.

The previous prime is 30222021211. The next prime is 30222021287. The reversal of 30222021232 is 23212022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64818 + ... + 254254.

It is an arithmetic number, because the mean of its divisors is an integer number (1074681774).

Almost surely, 2^30222021232 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 30222021232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32240453220).

30222021232 is an abundant number, since it is smaller than the sum of its proper divisors (34258885208).

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

30222021232 is a wasteful number, since it uses less digits than its factorization.

30222021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189530 (or 189511 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30222021232 its reverse (23212022203), we get a palindrome (53434043435).

The spelling of 30222021232 in words is "thirty billion, two hundred twenty-two million, twenty-one thousand, two hundred thirty-two".