22227831000 has 256 divisors, whose sum is σ = 77286268800. Its totient is φ = 5909760000.

The previous prime is 22227830987. The next prime is 22227831001. The reversal of 22227831000 is 13872222.

It is a happy number.

It is a super-2 number, since 2×22227831000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22227831001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10825974 + ... + 10828026.

Almost surely, 2^22227831000 is an apocalyptic number.

22227831000 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 22227831000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38643134400).

22227831000 is an abundant number, since it is smaller than the sum of its proper divisors (55058437800).

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

22227831000 is a wasteful number, since it uses less digits than its factorization.

22227831000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2464 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 22227831000 in words is "twenty-two billion, two hundred twenty-seven million, eight hundred thirty-one thousand".