222210169 has 2 divisors, whose sum is σ = 222210170. Its totient is φ = 222210168.

The previous prime is 222210143. The next prime is 222210181. The reversal of 222210169 is 961012222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220136569 + 2073600 = 14837^2 + 1440^2 .

It is a cyclic number.

It is not a de Polignac number, because 222210169 - 2⁷ = 222210041 is a prime.

It is a super-2 number, since 2×222210169² = 98754718414017122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222210869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105084 + 111105085.

It is an arithmetic number, because the mean of its divisors is an integer number (111105085).

Almost surely, 2^222210169 is an apocalyptic number.

It is an amenable number.

222210169 is a deficient number, since it is larger than the sum of its proper divisors (1).

222210169 is an equidigital number, since it uses as much as digits as its factorization.

222210169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 222210169 is about 14906.7155671529. The cubic root of 222210169 is about 605.6959130002.

The spelling of 222210169 in words is "two hundred twenty-two million, two hundred ten thousand, one hundred sixty-nine".