223652166 has 32 divisors (see below), whose sum is σ = 462578688. Its totient is φ = 72013920.

The previous prime is 223652141. The next prime is 223652167. The reversal of 223652166 is 661256322.

223652166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223652167) 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 15 ways as a sum of consecutive naturals, for example, 187825 + ... + 189011.

It is an arithmetic number, because the mean of its divisors is an integer number (14455584).

Almost surely, 2^223652166 is an apocalyptic number.

223652166 is an abundant number, since it is smaller than the sum of its proper divisors (238926522).

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

223652166 is a wasteful number, since it uses less digits than its factorization.

223652166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236.

The product of its digits is 25920, while the sum is 33.

The square root of 223652166 is about 14955.0047141417. The cubic root of 223652166 is about 607.0032776860.

It can be divided in two parts, 22365 and 2166, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 223652166 in words is "two hundred twenty-three million, six hundred fifty-two thousand, one hundred sixty-six".