222256800 has 108 divisors (see below), whose sum is σ = 783758430. Its totient is φ = 59266560.

The previous prime is 222256781. The next prime is 222256807. The reversal of 222256800 is 8652222.

It can be written as a sum of positive squares in 3 ways, for example, as 103795344 + 118461456 = 10188^2 + 10884^2 .

It is not an unprimeable number, because it can be changed into a prime (222256807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8235 + ... + 22634.

Almost surely, 2^222256800 is an apocalyptic number.

222256800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222256800 is an abundant number, since it is smaller than the sum of its proper divisors (561501630).

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

222256800 is a wasteful number, since it uses less digits than its factorization.

222256800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30895 (or 30879 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 222256800 is about 14908.2795788112. The cubic root of 222256800 is about 605.7382786441.

The spelling of 222256800 in words is "two hundred twenty-two million, two hundred fifty-six thousand, eight hundred".