222751200 has 144 divisors (see below), whose sum is σ = 828696960. Its totient is φ = 50910720.

The previous prime is 222751183. The next prime is 222751219. The reversal of 222751200 is 2157222.

It is a happy number.

222751200 is digitally balanced in base 2, because in such base 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 (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10171 + ... + 23429.

It is an arithmetic number, because the mean of its divisors is an integer number (5754840).

Almost surely, 2^222751200 is an apocalyptic number.

222751200 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 222751200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414348480).

222751200 is an abundant number, since it is smaller than the sum of its proper divisors (605945760).

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

222751200 is a wasteful number, since it uses less digits than its factorization.

222751200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13289 (or 13276 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 222751200 is about 14924.8517580578. The cubic root of 222751200 is about 606.1870916409.

The spelling of 222751200 in words is "two hundred twenty-two million, seven hundred fifty-one thousand, two hundred".