22232331000 has 192 divisors, whose sum is σ = 81977032800. Its totient is φ = 5389632000.

The previous prime is 22232330963. The next prime is 22232331013. The reversal of 22232331000 is 13323222.

It is a happy number.

It is a super-2 number, since 2×22232331000² (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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13285 + ... + 211284.

Almost surely, 2^22232331000 is an apocalyptic number.

22232331000 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 22232331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40988516400).

22232331000 is an abundant number, since it is smaller than the sum of its proper divisors (59744701800).

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

22232331000 is a wasteful number, since it uses less digits than its factorization.

22232331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224607 (or 224590 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22232331000 its reverse (13323222), we get a palindrome (22245654222).

The spelling of 22232331000 in words is "twenty-two billion, two hundred thirty-two million, three hundred thirty-one thousand".