23222166 has 16 divisors (see below), whose sum is σ = 50666688. Its totient is φ = 7037000.

The previous prime is 23222159. The next prime is 23222167. The reversal of 23222166 is 66122232.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175860 + ... + 175991.

It is an arithmetic number, because the mean of its divisors is an integer number (3166668).

Almost surely, 2^23222166 is an apocalyptic number.

23222166 is an abundant number, since it is smaller than the sum of its proper divisors (27444522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23222166 is a wasteful number, since it uses less digits than its factorization.

23222166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351867.

The product of its digits is 1728, while the sum is 24.

The square root of 23222166 is about 4818.9382648048. The cubic root of 23222166 is about 285.2994329078.

Adding to 23222166 its reverse (66122232), we get a palindrome (89344398).

The spelling of 23222166 in words is "twenty-three million, two hundred twenty-two thousand, one hundred sixty-six".