166227222 has 32 divisors (see below), whose sum is σ = 380420352. Its totient is φ = 47434464.

The previous prime is 166227209. The next prime is 166227253. The reversal of 166227222 is 222722661.

166227222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 166227222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40593 + ... + 44499.

It is an arithmetic number, because the mean of its divisors is an integer number (11888136).

Almost surely, 2^166227222 is an apocalyptic number.

166227222 is an abundant number, since it is smaller than the sum of its proper divisors (214193130).

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

166227222 is a wasteful number, since it uses less digits than its factorization.

166227222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932.

The product of its digits is 8064, while the sum is 30.

The square root of 166227222 is about 12892.9136350167. The cubic root of 166227222 is about 549.8371109919.

Adding to 166227222 its reverse (222722661), we get a palindrome (388949883).

The spelling of 166227222 in words is "one hundred sixty-six million, two hundred twenty-seven thousand, two hundred twenty-two".