222325122166 has 32 divisors (see below), whose sum is σ = 383936716800. Its totient is φ = 94582666656.

The previous prime is 222325122139. The next prime is 222325122169. The reversal of 222325122166 is 661221523222.

222325122166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222325122166² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222325122169) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 987555 + ... + 1191601.

It is an arithmetic number, because the mean of its divisors is an integer number (11998022400).

Almost surely, 2^222325122166 is an apocalyptic number.

222325122166 is a deficient number, since it is larger than the sum of its proper divisors (161611594634).

222325122166 is a wasteful number, since it uses less digits than its factorization.

222325122166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204628.

The product of its digits is 34560, while the sum is 34.

Adding to 222325122166 its reverse (661221523222), we get a palindrome (883546645388).

The spelling of 222325122166 in words is "two hundred twenty-two billion, three hundred twenty-five million, one hundred twenty-two thousand, one hundred sixty-six".