223966654 has 4 divisors (see below), whose sum is σ = 335949984. Its totient is φ = 111983326.

The previous prime is 223966649. The next prime is 223966679. The reversal of 223966654 is 456669322.

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

It is a super-2 number, since 2×223966654² = 100322124207911432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223966654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55991662 + ... + 55991665.

It is an arithmetic number, because the mean of its divisors is an integer number (83987496).

Almost surely, 2^223966654 is an apocalyptic number.

223966654 is a deficient number, since it is larger than the sum of its proper divisors (111983330).

223966654 is a wasteful number, since it uses less digits than its factorization.

223966654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111983329.

The product of its digits is 466560, while the sum is 43.

The square root of 223966654 is about 14965.5154939614. The cubic root of 223966654 is about 607.2876565415.

The spelling of 223966654 in words is "two hundred twenty-three million, nine hundred sixty-six thousand, six hundred fifty-four".