222151155 has 16 divisors (see below), whose sum is σ = 376350624. Its totient is φ = 111511040.

The previous prime is 222151151. The next prime is 222151159. The reversal of 222151155 is 551151222.

It is an interprime number because it is at equal distance from previous prime (222151151) and next prime (222151159).

It is not a de Polignac number, because 222151155 - 2² = 222151151 is a prime.

It is a super-2 number, since 2×222151155² = 98702271335668050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222151151) by changing a digit.

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, 435336 + ... + 435845.

It is an arithmetic number, because the mean of its divisors is an integer number (23521914).

Almost surely, 2^222151155 is an apocalyptic number.

222151155 is a deficient number, since it is larger than the sum of its proper divisors (154199469).

222151155 is a wasteful number, since it uses less digits than its factorization.

222151155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871206.

The product of its digits is 1000, while the sum is 24.

The square root of 222151155 is about 14904.7359922945. The cubic root of 222151155 is about 605.6422885366.

The spelling of 222151155 in words is "two hundred twenty-two million, one hundred fifty-one thousand, one hundred fifty-five".