222542899200 has 864 divisors, whose sum is σ = 854662798080. Its totient is φ = 57330892800.

The previous prime is 222542899199. The next prime is 222542899207. The reversal of 222542899200 is 2998245222.

222542899200 is a `hidden beast` number, since 2 + 2 + 2 + 542 + 89 + 9 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222542899207) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 385689312 + ... + 385689888.

Almost surely, 2^222542899200 is an apocalyptic number.

222542899200 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 222542899200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427331399040).

222542899200 is an abundant number, since it is smaller than the sum of its proper divisors (632119898880).

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

222542899200 is an equidigital number, since it uses as much as digits as its factorization.

222542899200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 222542899200 in words is "two hundred twenty-two billion, five hundred forty-two million, eight hundred ninety-nine thousand, two hundred".