22221332304 has 40 divisors (see below), whose sum is σ = 57508238880. Its totient is φ = 7393803648.

The previous prime is 22221332201. The next prime is 22221332317. The reversal of 22221332304 is 40323312222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388834 + ... + 442305.

It is an arithmetic number, because the mean of its divisors is an integer number (1437705972).

Almost surely, 2^22221332304 is an apocalyptic number.

22221332304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22221332304 is an abundant number, since it is smaller than the sum of its proper divisors (35286906576).

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

22221332304 is a wasteful number, since it uses less digits than its factorization.

22221332304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831707 (or 831701 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22221332304 its reverse (40323312222), we get a palindrome (62544644526).

The spelling of 22221332304 in words is "twenty-two billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred four".