222164142 has 8 divisors (see below), whose sum is σ = 444328296. Its totient is φ = 74054712.

The previous prime is 222164081. The next prime is 222164147. The reversal of 222164142 is 241461222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

222164142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222164147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18513673 + ... + 18513684.

It is an arithmetic number, because the mean of its divisors is an integer number (55541037).

Almost surely, 2^222164142 is an apocalyptic number.

222164142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222164142 is a wasteful number, since it uses less digits than its factorization.

222164142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37027362.

The product of its digits is 1536, while the sum is 24.

The square root of 222164142 is about 14905.1716528190. The cubic root of 222164142 is about 605.6540902955.

The spelling of 222164142 in words is "two hundred twenty-two million, one hundred sixty-four thousand, one hundred forty-two".