223066647 has 12 divisors (see below), whose sum is σ = 325164840. Its totient is φ = 147346128.

The previous prime is 223066621. The next prime is 223066661. The reversal of 223066647 is 746660322.

It is a happy number.

It is not a de Polignac number, because 223066647 - 2¹⁵ = 223033879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223066247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112713 + ... + 114674.

It is an arithmetic number, because the mean of its divisors is an integer number (27097070).

Almost surely, 2^223066647 is an apocalyptic number.

223066647 is a deficient number, since it is larger than the sum of its proper divisors (102098193).

223066647 is a wasteful number, since it uses less digits than its factorization.

223066647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227502 (or 227499 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 223066647 is about 14935.4158629748. The cubic root of 223066647 is about 606.4731053723.

The spelling of 223066647 in words is "two hundred twenty-three million, sixty-six thousand, six hundred forty-seven".