22231421304 has 16 divisors (see below), whose sum is σ = 55578553320. Its totient is φ = 7410473760.

The previous prime is 22231421291. The next prime is 22231421321. The reversal of 22231421304 is 40312413222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 926309221 = 22231421304 / (2 + 2 + 2 + 3 + 1 + 4 + 2 + 1 + 3 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463154587 + ... + 463154634.

Almost surely, 2^22231421304 is an apocalyptic number.

22231421304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22231421304 is an abundant number, since it is smaller than the sum of its proper divisors (33347132016).

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

22231421304 is a wasteful number, since it uses less digits than its factorization.

22231421304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926309230 (or 926309226 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22231421304 its reverse (40312413222), we get a palindrome (62543834526).

The spelling of 22231421304 in words is "twenty-two billion, two hundred thirty-one million, four hundred twenty-one thousand, three hundred four".