22223002320 has 80 divisors (see below), whose sum is σ = 76545904320. Its totient is φ = 5926133376.

The previous prime is 22223002303. The next prime is 22223002369. The reversal of 22223002320 is 2320032222.

22223002320 is a `hidden beast` number, since 22 + 22 + 300 + 2 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22223002320² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22223002293 and 22223002302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5142054 + ... + 5146373.

It is an arithmetic number, because the mean of its divisors is an integer number (956823804).

Almost surely, 2^22223002320 is an apocalyptic number.

22223002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223002320 is an abundant number, since it is smaller than the sum of its proper divisors (54322902000).

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

22223002320 is a wasteful number, since it uses less digits than its factorization.

22223002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10288449 (or 10288437 counting only the distinct ones).

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

Adding to 22223002320 its reverse (2320032222), we get a palindrome (24543034542).

The spelling of 22223002320 in words is "twenty-two billion, two hundred twenty-three million, two thousand, three hundred twenty".