222164120 has 16 divisors (see below), whose sum is σ = 499869360. Its totient is φ = 88865632.

The previous prime is 222164081. The next prime is 222164147. The reversal of 222164120 is 21461222.

It is a happy number.

222164120 is digitally balanced in base 3, 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 a junction number, because it is equal to n+sod(n) for n = 222164092 and 222164101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777012 + ... + 2777091.

It is an arithmetic number, because the mean of its divisors is an integer number (31241835).

Almost surely, 2^222164120 is an apocalyptic number.

222164120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222164120 is an abundant number, since it is smaller than the sum of its proper divisors (277705240).

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

222164120 is a wasteful number, since it uses less digits than its factorization.

222164120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554114 (or 5554110 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 222164120 is about 14905.1709148201. The cubic root of 222164120 is about 605.6540703037.

The spelling of 222164120 in words is "two hundred twenty-two million, one hundred sixty-four thousand, one hundred twenty".