222254755 has 4 divisors (see below), whose sum is σ = 266705712. Its totient is φ = 177803800.

The previous prime is 222254749. The next prime is 222254759. The reversal of 222254755 is 557452222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557452222 = 2 ⋅278726111.

It is a de Polignac number, because none of the positive numbers 2^k-222254755 is a prime.

It is a super-2 number, since 2×222254755² = 98794352240220050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222254755.

It is not an unprimeable number, because it can be changed into a prime (222254759) 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 3 ways as a sum of consecutive naturals, for example, 22225471 + ... + 22225480.

It is an arithmetic number, because the mean of its divisors is an integer number (66676428).

Almost surely, 2^222254755 is an apocalyptic number.

222254755 is a deficient number, since it is larger than the sum of its proper divisors (44450957).

222254755 is an equidigital number, since it uses as much as digits as its factorization.

222254755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44450956.

The product of its digits is 56000, while the sum is 34.

The square root of 222254755 is about 14908.2109926040. The cubic root of 222254755 is about 605.7364208253.

The spelling of 222254755 in words is "two hundred twenty-two million, two hundred fifty-four thousand, seven hundred fifty-five".