223066631 has 4 divisors (see below), whose sum is σ = 234807000. Its totient is φ = 211326264.

The previous prime is 223066621. The next prime is 223066661. The reversal of 223066631 is 136660322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223066631 is a prime.

It is a super-2 number, since 2×223066631² = 99517443731380322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223066594 and 223066603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223066621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5870156 + ... + 5870193.

It is an arithmetic number, because the mean of its divisors is an integer number (58701750).

Almost surely, 2^223066631 is an apocalyptic number.

223066631 is a deficient number, since it is larger than the sum of its proper divisors (11740369).

223066631 is a wasteful number, since it uses less digits than its factorization.

223066631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740368.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 223066631 is about 14935.4153273352. The cubic root of 223066631 is about 606.4730908721.

The spelling of 223066631 in words is "two hundred twenty-three million, sixty-six thousand, six hundred thirty-one".