222177223 has 2 divisors, whose sum is σ = 222177224. Its totient is φ = 222177222.

The previous prime is 222177211. The next prime is 222177251. The reversal of 222177223 is 322771222.

It is an a-pointer prime, because the next prime (222177251) can be obtained adding 222177223 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222177223 - 2¹⁷ = 222046151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222177191 and 222177200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222177523) 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 as a sum of consecutive naturals, namely, 111088611 + 111088612.

It is an arithmetic number, because the mean of its divisors is an integer number (111088612).

Almost surely, 2^222177223 is an apocalyptic number.

222177223 is a deficient number, since it is larger than the sum of its proper divisors (1).

222177223 is an equidigital number, since it uses as much as digits as its factorization.

222177223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 28.

The square root of 222177223 is about 14905.6104537855. The cubic root of 222177223 is about 605.6659770107.

The spelling of 222177223 in words is "two hundred twenty-two million, one hundred seventy-seven thousand, two hundred twenty-three".