222126300 has 252 divisors, whose sum is σ = 791235816. Its totient is φ = 53654400.

The previous prime is 222126299. The next prime is 222126313. The reversal of 222126300 is 3621222.

222126300 is a `hidden beast` number, since 2 + 22 + 12 + 630 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 801762 + ... + 802038.

Almost surely, 2^222126300 is an apocalyptic number.

222126300 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 222126300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395617908).

222126300 is an abundant number, since it is smaller than the sum of its proper divisors (569109516).

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

222126300 is a wasteful number, since it uses less digits than its factorization.

222126300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 222126300 is about 14903.9021735920. The cubic root of 222126300 is about 605.6197006121.

Adding to 222126300 its reverse (3621222), we get a palindrome (225747522).

The spelling of 222126300 in words is "two hundred twenty-two million, one hundred twenty-six thousand, three hundred".