223712072 has 16 divisors (see below), whose sum is σ = 429691500. Its totient is φ = 109127680.

The previous prime is 223712059. The next prime is 223712107. The reversal of 223712072 is 270217322.

It can be written as a sum of positive squares in 2 ways, for example, as 145106116 + 78605956 = 12046^2 + 8866^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 340697 + ... + 341352.

Almost surely, 2^223712072 is an apocalyptic number.

It is an amenable number.

223712072 is a deficient number, since it is larger than the sum of its proper divisors (205979428).

223712072 is a wasteful number, since it uses less digits than its factorization.

223712072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682096 (or 682092 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 223712072 is about 14957.0074547016. The cubic root of 223712072 is about 607.0574688181.

Adding to 223712072 its reverse (270217322), we get a palindrome (493929394).

The spelling of 223712072 in words is "two hundred twenty-three million, seven hundred twelve thousand, seventy-two".