223666052 has 6 divisors (see below), whose sum is σ = 391415598. Its totient is φ = 111833024.

The previous prime is 223666031. The next prime is 223666057. The reversal of 223666052 is 250666322.

It can be written as a sum of positive squares in only one way, i.e., 112869376 + 110796676 = 10624^2 + 10526^2 .

It is not an unprimeable number, because it can be changed into a prime (223666057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27958253 + ... + 27958260.

It is an arithmetic number, because the mean of its divisors is an integer number (65235933).

Almost surely, 2^223666052 is an apocalyptic number.

It is an amenable number.

223666052 is a deficient number, since it is larger than the sum of its proper divisors (167749546).

223666052 is a wasteful number, since it uses less digits than its factorization.

223666052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55916517 (or 55916515 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 223666052 is about 14955.4689662344. The cubic root of 223666052 is about 607.0158398612.

The spelling of 223666052 in words is "two hundred twenty-three million, six hundred sixty-six thousand, fifty-two".