22003022320 has 40 divisors (see below), whose sum is σ = 51163265520. Its totient is φ = 8800135680.

The previous prime is 22003022311. The next prime is 22003022351. The reversal of 22003022320 is 2322030022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22003022294 and 22003022303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132851 + ... + 1152109.

It is an arithmetic number, because the mean of its divisors is an integer number (1279081638).

Almost surely, 2^22003022320 is an apocalyptic number.

22003022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22003022320 is an abundant number, since it is smaller than the sum of its proper divisors (29160243200).

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

22003022320 is a wasteful number, since it uses less digits than its factorization.

22003022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33553 (or 33547 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 22003022320 its reverse (2322030022), we get a palindrome (24325052342).

The spelling of 22003022320 in words is "twenty-two billion, three million, twenty-two thousand, three hundred twenty".