22112231000 has 64 divisors (see below), whose sum is σ = 52843639680. Its totient is φ = 8656684800.

The previous prime is 22112230991. The next prime is 22112231021. The reversal of 22112231000 is 13221122.

It is a happy number.

It is a super-2 number, since 2×22112231000² (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, 188237 + ... + 282236.

It is an arithmetic number, because the mean of its divisors is an integer number (825681870).

Almost surely, 2^22112231000 is an apocalyptic number.

22112231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112231000 is an abundant number, since it is smaller than the sum of its proper divisors (30731408680).

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

22112231000 is a wasteful number, since it uses less digits than its factorization.

22112231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470541 (or 470527 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22112231000 its reverse (13221122), we get a palindrome (22125452122).

The spelling of 22112231000 in words is "twenty-two billion, one hundred twelve million, two hundred thirty-one thousand".