222332100 has 72 divisors (see below), whose sum is σ = 651104160. Its totient is φ = 58567680.

The previous prime is 222332087. The next prime is 222332113. The reversal of 222332100 is 1233222.

222332100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222332087) and next prime (222332113).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222332100.

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, 20436 + ... + 29364.

Almost surely, 2^222332100 is an apocalyptic number.

222332100 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 222332100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325552080).

222332100 is an abundant number, since it is smaller than the sum of its proper divisors (428772060).

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

222332100 is a wasteful number, since it uses less digits than its factorization.

222332100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029 (or 9022 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 222332100 is about 14910.8048072530. The cubic root of 222332100 is about 605.8066784145.

Adding to 222332100 its reverse (1233222), we get a palindrome (223565322).

The spelling of 222332100 in words is "two hundred twenty-two million, three hundred thirty-two thousand, one hundred".