222100308 has 72 divisors (see below), whose sum is σ = 604618560. Its totient is φ = 68486400.

The previous prime is 222100303. The next prime is 222100309. The reversal of 222100308 is 803001222.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33033 + ... + 39183.

It is an arithmetic number, because the mean of its divisors is an integer number (8397480).

Almost surely, 2^222100308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222100308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302309280).

222100308 is an abundant number, since it is smaller than the sum of its proper divisors (382518252).

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

222100308 is a wasteful number, since it uses less digits than its factorization.

222100308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6237 (or 6232 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 222100308 is about 14903.0301616819. The cubic root of 222100308 is about 605.5960775933.

The spelling of 222100308 in words is "two hundred twenty-two million, one hundred thousand, three hundred eight".