223455168 has 84 divisors (see below), whose sum is σ = 643691880. Its totient is φ = 74113536.

The previous prime is 223455163. The next prime is 223455203. The reversal of 223455168 is 861554322.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223455163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129898 + ... + 131606.

Almost surely, 2^223455168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223455168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321845940).

223455168 is an abundant number, since it is smaller than the sum of its proper divisors (420236712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223455168 is a wasteful number, since it uses less digits than its factorization.

223455168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 1941 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 223455168 is about 14948.4169061476. The cubic root of 223455168 is about 606.8250044919.

The spelling of 223455168 in words is "two hundred twenty-three million, four hundred fifty-five thousand, one hundred sixty-eight".