22130220432 has 40 divisors (see below), whose sum is σ = 57342495520. Its totient is φ = 7354448640.

The previous prime is 22130220419. The next prime is 22130220433. The reversal of 22130220432 is 23402203122.

It is a junction number, because it is equal to n+sod(n) for n = 22130220399 and 22130220408.

It is not an unprimeable number, because it can be changed into a prime (22130220433) 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, 680557 + ... + 712332.

It is an arithmetic number, because the mean of its divisors is an integer number (1433562388).

Almost surely, 2^22130220432 is an apocalyptic number.

It is an amenable number.

22130220432 is an abundant number, since it is smaller than the sum of its proper divisors (35212275088).

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

22130220432 is a wasteful number, since it uses less digits than its factorization.

22130220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393231 (or 1393225 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22130220432 its reverse (23402203122), we get a palindrome (45532423554).

The spelling of 22130220432 in words is "twenty-two billion, one hundred thirty million, two hundred twenty thousand, four hundred thirty-two".