22223121324 has 24 divisors (see below), whose sum is σ = 51871991808. Its totient is φ = 7405129680.

The previous prime is 22223121317. The next prime is 22223121359. The reversal of 22223121324 is 42312132222.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22223121294 and 22223121303.

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, 286092 + ... + 355379.

It is an arithmetic number, because the mean of its divisors is an integer number (2161332992).

Almost surely, 2^22223121324 is an apocalyptic number.

It is an amenable number.

22223121324 is an abundant number, since it is smaller than the sum of its proper divisors (29648870484).

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

22223121324 is a wasteful number, since it uses less digits than its factorization.

22223121324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644365 (or 644363 counting only the distinct ones).

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

Adding to 22223121324 its reverse (42312132222), we get a palindrome (64535253546).

The spelling of 22223121324 in words is "twenty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred twenty-four".