22203030432 has 144 divisors (see below), whose sum is σ = 64063978272. Its totient is φ = 6677498880.

The previous prime is 22203030419. The next prime is 22203030463. The reversal of 22203030432 is 23403030222.

It is a junction number, because it is equal to n+sod(n) for n = 22203030399 and 22203030408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26028918 + ... + 26029770.

It is an arithmetic number, because the mean of its divisors is an integer number (444888738).

Almost surely, 2^22203030432 is an apocalyptic number.

22203030432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22203030432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32031989136).

22203030432 is an abundant number, since it is smaller than the sum of its proper divisors (41860947840).

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

22203030432 is a wasteful number, since it uses less digits than its factorization.

22203030432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 22203030432 its reverse (23403030222), we get a palindrome (45606060654).

The spelling of 22203030432 in words is "twenty-two billion, two hundred three million, thirty thousand, four hundred thirty-two".