223444028 has 12 divisors (see below), whose sum is σ = 411607560. Its totient is φ = 105841872.

The previous prime is 223444027. The next prime is 223444031. The reversal of 223444028 is 820444322.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469951 + ... + 1470102.

It is an arithmetic number, because the mean of its divisors is an integer number (34300630).

Almost surely, 2^223444028 is an apocalyptic number.

It is an amenable number.

223444028 is a deficient number, since it is larger than the sum of its proper divisors (188163532).

223444028 is a wasteful number, since it uses less digits than its factorization.

223444028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940076 (or 2940074 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 223444028 is about 14948.0442867955. The cubic root of 223444028 is about 606.8149202276.

The spelling of 223444028 in words is "two hundred twenty-three million, four hundred forty-four thousand, twenty-eight".