22219901232 has 40 divisors (see below), whose sum is σ = 58622724096. Its totient is φ = 7249045056.

The previous prime is 22219901219. The next prime is 22219901293. The reversal of 22219901232 is 23210991222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22219901193 and 22219901202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4922368 + ... + 4926879.

Almost surely, 2^22219901232 is an apocalyptic number.

It is an amenable number.

22219901232 is an abundant number, since it is smaller than the sum of its proper divisors (36402822864).

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

22219901232 is a wasteful number, since it uses less digits than its factorization.

22219901232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849305 (or 9849299 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

It can be divided in two parts, 2221990 and 1232, that added together give a palindrome (2223222).

The spelling of 22219901232 in words is "twenty-two billion, two hundred nineteen million, nine hundred one thousand, two hundred thirty-two".