222298458228 has 144 divisors (see below), whose sum is σ = 703370304000. Its totient is φ = 57509640000.

The previous prime is 222298458223. The next prime is 222298458269. The reversal of 222298458228 is 822854892222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222298458223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 536023 + ... + 855521.

It is an arithmetic number, because the mean of its divisors is an integer number (4884516000).

Almost surely, 2^222298458228 is an apocalyptic number.

222298458228 is a gapful number since it is divisible by the number (28) 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 222298458228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351685152000).

222298458228 is an abundant number, since it is smaller than the sum of its proper divisors (481071845772).

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

222298458228 is a wasteful number, since it uses less digits than its factorization.

222298458228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319778 (or 319773 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 54.

The spelling of 222298458228 in words is "two hundred twenty-two billion, two hundred ninety-eight million, four hundred fifty-eight thousand, two hundred twenty-eight".