223664750 has 32 divisors (see below), whose sum is σ = 443338272. Its totient is φ = 84201600.

The previous prime is 223664747. The next prime is 223664759. The reversal of 223664750 is 57466322.

223664750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 223664750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223664759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22064 + ... + 30563.

It is an arithmetic number, because the mean of its divisors is an integer number (13854321).

Almost surely, 2^223664750 is an apocalyptic number.

223664750 is a deficient number, since it is larger than the sum of its proper divisors (219673522).

223664750 is a wasteful number, since it uses less digits than its factorization.

223664750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52661 (or 52651 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 223664750 is about 14955.4254369443. The cubic root of 223664750 is about 607.0146620098.

The spelling of 223664750 in words is "two hundred twenty-three million, six hundred sixty-four thousand, seven hundred fifty".