22303230999 has 32 divisors (see below), whose sum is σ = 36108049920. Its totient is φ = 11972644992.

The previous prime is 22303230991. The next prime is 22303231019. The reversal of 22303230999 is 99903230322.

It is not a de Polignac number, because 22303230999 - 2³ = 22303230991 is a prime.

It is a super-2 number, since 2×22303230999² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22303230999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303230991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472369 + ... + 517434.

It is an arithmetic number, because the mean of its divisors is an integer number (1128376560).

Almost surely, 2^22303230999 is an apocalyptic number.

22303230999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22303230999 is a deficient number, since it is larger than the sum of its proper divisors (13804818921).

22303230999 is a wasteful number, since it uses less digits than its factorization.

22303230999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989879.

The product of its (nonzero) digits is 157464, while the sum is 42.

The spelling of 22303230999 in words is "twenty-two billion, three hundred three million, two hundred thirty thousand, nine hundred ninety-nine".