222097800 has 96 divisors (see below), whose sum is σ = 692366400. Its totient is φ = 58894080.

The previous prime is 222097789. The next prime is 222097807. The reversal of 222097800 is 8790222.

222097800 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (222097807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117261 + ... + 119139.

It is an arithmetic number, because the mean of its divisors is an integer number (7212150).

Almost surely, 2^222097800 is an apocalyptic number.

222097800 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 222097800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346183200).

222097800 is an abundant number, since it is smaller than the sum of its proper divisors (470268600).

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

222097800 is a wasteful number, since it uses less digits than its factorization.

222097800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 222097800 is about 14902.9460174826. The cubic root of 222097800 is about 605.5937980817.

The spelling of 222097800 in words is "two hundred twenty-two million, ninety-seven thousand, eight hundred".