22203223302232 has 48 divisors (see below), whose sum is σ = 48428589470760. Its totient is φ = 9515541240576.

The previous prime is 22203223302193. The next prime is 22203223302289. The reversal of 22203223302232 is 23220332230222.

It is a happy number.

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 22203223302232.

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, 33104403 + ... + 33768445.

Almost surely, 2^{22203223302232} is an apocalyptic number.

It is an amenable number.

22203223302232 is an abundant number, since it is smaller than the sum of its proper divisors (26225366168528).

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

22203223302232 is a wasteful number, since it uses less digits than its factorization.

22203223302232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749360 (or 749349 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 22203223302232 its reverse (23220332230222), we get a palindrome (45423555532454).

The spelling of 22203223302232 in words is "twenty-two trillion, two hundred three billion, two hundred twenty-three million, three hundred two thousand, two hundred thirty-two".