223666466 has 16 divisors (see below), whose sum is σ = 342806904. Its totient is φ = 109409664.

The previous prime is 223666453. The next prime is 223666483. The reversal of 223666466 is 664666322.

It can be written as a sum of positive squares in 4 ways, for example, as 174372025 + 49294441 = 13205^2 + 7021^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36710 + ... + 42366.

Almost surely, 2^223666466 is an apocalyptic number.

223666466 is a deficient number, since it is larger than the sum of its proper divisors (119140438).

223666466 is a wasteful number, since it uses less digits than its factorization.

223666466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085.

The product of its digits is 373248, while the sum is 41.

The square root of 223666466 is about 14955.4828073185. The cubic root of 223666466 is about 607.0162143845.

The spelling of 223666466 in words is "two hundred twenty-three million, six hundred sixty-six thousand, four hundred sixty-six".