222155135 has 8 divisors (see below), whose sum is σ = 272258496. Its totient is φ = 173942560.

The previous prime is 222155093. The next prime is 222155161. The reversal of 222155135 is 531551222.

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

It is a de Polignac number, because none of the positive numbers 2^k-222155135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472436 + ... + 472905.

It is an arithmetic number, because the mean of its divisors is an integer number (34032312).

Almost surely, 2^222155135 is an apocalyptic number.

222155135 is a deficient number, since it is larger than the sum of its proper divisors (50103361).

222155135 is an equidigital number, since it uses as much as digits as its factorization.

222155135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945393.

The product of its digits is 3000, while the sum is 26.

The square root of 222155135 is about 14904.8695063056. The cubic root of 222155135 is about 605.6459053561.

The spelling of 222155135 in words is "two hundred twenty-two million, one hundred fifty-five thousand, one hundred thirty-five".