222160212 has 48 divisors (see below), whose sum is σ = 578760000. Its totient is φ = 73694880.

The previous prime is 222160189. The next prime is 222160223. The reversal of 222160212 is 212061222.

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 15 ways as a sum of consecutive naturals, for example, 17914 + ... + 27662.

It is an arithmetic number, because the mean of its divisors is an integer number (12057500).

Almost surely, 2^222160212 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 222160212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289380000).

222160212 is an abundant number, since it is smaller than the sum of its proper divisors (356599788).

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

222160212 is a wasteful number, since it uses less digits than its factorization.

222160212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973 (or 9965 counting only the distinct ones).

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

The square root of 222160212 is about 14905.0398187995. The cubic root of 222160212 is about 605.6505190102.

The spelling of 222160212 in words is "two hundred twenty-two million, one hundred sixty thousand, two hundred twelve".