222113900 has 72 divisors (see below), whose sum is σ = 502467840. Its totient is φ = 85120000.

The previous prime is 222113897. The next prime is 222113939. The reversal of 222113900 is 9311222.

222113900 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 (20).

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, 553700 + ... + 554100.

It is an arithmetic number, because the mean of its divisors is an integer number (6978720).

Almost surely, 2^222113900 is an apocalyptic number.

222113900 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 222113900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251233920).

222113900 is an abundant number, since it is smaller than the sum of its proper divisors (280353940).

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

222113900 is a wasteful number, since it uses less digits than its factorization.

222113900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 222113900 is about 14903.4861693498. The cubic root of 222113900 is about 605.6084310116.

The spelling of 222113900 in words is "two hundred twenty-two million, one hundred thirteen thousand, nine hundred".