223097966 has 32 divisors (see below), whose sum is σ = 413719488. Its totient is φ = 87863040.

The previous prime is 223097951. The next prime is 223097977. The reversal of 223097966 is 669790322.

223097966 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 3×223097966³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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, 39776 + ... + 45036.

It is an arithmetic number, because the mean of its divisors is an integer number (12928734).

Almost surely, 2^223097966 is an apocalyptic number.

223097966 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

223097966 is a deficient number, since it is larger than the sum of its proper divisors (190621522).

223097966 is a wasteful number, since it uses less digits than its factorization.

223097966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 223097966 is about 14936.4643071913. The cubic root of 223097966 is about 606.5014873867.

The spelling of 223097966 in words is "two hundred twenty-three million, ninety-seven thousand, nine hundred sixty-six".