223149066 has 32 divisors (see below), whose sum is σ = 510626688. Its totient is φ = 63685440.

The previous prime is 223149049. The next prime is 223149079. The reversal of 223149066 is 660941322.

223149066 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-3 number, since 3×223149066³ (a number of 26 digits) contains 333 as substring.

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, 43476 + ... + 48336.

It is an arithmetic number, because the mean of its divisors is an integer number (15957084).

Almost surely, 2^223149066 is an apocalyptic number.

223149066 is an abundant number, since it is smaller than the sum of its proper divisors (287477622).

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

223149066 is a wasteful number, since it uses less digits than its factorization.

223149066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 223149066 is about 14938.1747881058. The cubic root of 223149066 is about 606.5477897064.

The spelling of 223149066 in words is "two hundred twenty-three million, one hundred forty-nine thousand, sixty-six".