223689748 has 12 divisors (see below), whose sum is σ = 391590612. Its totient is φ = 111806720.

The previous prime is 223689737. The next prime is 223689761. The reversal of 223689748 is 847986322.

It can be written as a sum of positive squares in 2 ways, for example, as 15984004 + 207705744 = 3998^2 + 14412^2 .

It is a congruent number.

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, 6738 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (32632551).

Almost surely, 2^223689748 is an apocalyptic number.

It is an amenable number.

223689748 is a deficient number, since it is larger than the sum of its proper divisors (167900864).

223689748 is a wasteful number, since it uses less digits than its factorization.

223689748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19082 (or 19080 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 223689748 is about 14956.2611638069. The cubic root of 223689748 is about 607.0372755974.

The spelling of 223689748 in words is "two hundred twenty-three million, six hundred eighty-nine thousand, seven hundred forty-eight".