22303231000 has 64 divisors (see below), whose sum is σ = 52393236480. Its totient is φ = 8886476800.

The previous prime is 22303230991. The next prime is 22303231019. The reversal of 22303231000 is 13230322.

It is a super-2 number, since 2×22303231000² (a number of 21 digits) contains 22 as substring.

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, 213609 + ... + 300391.

It is an arithmetic number, because the mean of its divisors is an integer number (818644320).

Almost surely, 2^22303231000 is an apocalyptic number.

22303231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22303231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26196618240).

22303231000 is an abundant number, since it is smaller than the sum of its proper divisors (30090005480).

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

22303231000 is a wasteful number, since it uses less digits than its factorization.

22303231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87061 (or 87047 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 22303231000 its reverse (13230322), we get a palindrome (22316461322).

The spelling of 22303231000 in words is "twenty-two billion, three hundred three million, two hundred thirty-one thousand".