22220002332 has 72 divisors (see below), whose sum is σ = 61293278592. Its totient is φ = 6731143200.

The previous prime is 22220002271. The next prime is 22220002373. The reversal of 22220002332 is 23320002222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 1541583 + ... + 1555929.

It is an arithmetic number, because the mean of its divisors is an integer number (851295536).

Almost surely, 2^22220002332 is an apocalyptic number.

22220002332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22220002332 is an abundant number, since it is smaller than the sum of its proper divisors (39073276260).

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

22220002332 is a wasteful number, since it uses less digits than its factorization.

22220002332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18279 (or 18274 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22220002332 its reverse (23320002222), we get a palindrome (45540004554).

The spelling of 22220002332 in words is "twenty-two billion, two hundred twenty million, two thousand, three hundred thirty-two".