22409220232 has 64 divisors (see below), whose sum is σ = 49897635840. Its totient is φ = 9232488000.

The previous prime is 22409220131. The next prime is 22409220241. The reversal of 22409220232 is 23202290422.

It is a happy number.

It is a super-3 number, since 3×22409220232³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 22409220232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219393 + ... + 304879.

It is an arithmetic number, because the mean of its divisors is an integer number (779650560).

Almost surely, 2^22409220232 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 22409220232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24948817920).

22409220232 is an abundant number, since it is smaller than the sum of its proper divisors (27488415608).

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

22409220232 is a wasteful number, since it uses less digits than its factorization.

22409220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85682 (or 85678 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 22409220232 in words is "twenty-two billion, four hundred nine million, two hundred twenty thousand, two hundred thirty-two".