22312303000 has 128 divisors (see below), whose sum is σ = 56609280000. Its totient is φ = 8182387200.

The previous prime is 22312302983. The next prime is 22312303001. The reversal of 22312303000 is 30321322.

It is a super-3 number, since 3×22312303000³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312303001) 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, 1931241 + ... + 1942759.

It is an arithmetic number, because the mean of its divisors is an integer number (442260000).

Almost surely, 2^22312303000 is an apocalyptic number.

22312303000 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 22312303000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640000).

22312303000 is an abundant number, since it is smaller than the sum of its proper divisors (34296977000).

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

22312303000 is a wasteful number, since it uses less digits than its factorization.

22312303000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11702 (or 11688 counting only the distinct ones).

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

Adding to 22312303000 its reverse (30321322), we get a palindrome (22342624322).

The spelling of 22312303000 in words is "twenty-two billion, three hundred twelve million, three hundred three thousand".