222155214 has 32 divisors (see below), whose sum is σ = 450696960. Its totient is φ = 72992832.

The previous prime is 222155191. The next prime is 222155249. The reversal of 222155214 is 412551222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343039 + ... + 343685.

It is an arithmetic number, because the mean of its divisors is an integer number (14084280).

Almost surely, 2^222155214 is an apocalyptic number.

222155214 is an abundant number, since it is smaller than the sum of its proper divisors (228541746).

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

222155214 is a wasteful number, since it uses less digits than its factorization.

222155214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its digits is 1600, while the sum is 24.

The square root of 222155214 is about 14904.8721564460. The cubic root of 222155214 is about 605.6459771468.

The spelling of 222155214 in words is "two hundred twenty-two million, one hundred fifty-five thousand, two hundred fourteen".