223450724 has 12 divisors (see below), whose sum is σ = 446901504. Its totient is φ = 95764584.

The previous prime is 223450693. The next prime is 223450729. The reversal of 223450724 is 427054322.

223450724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

223450724 is an admirable number.

It is a super-2 number, since 2×223450724² = 99860452112248352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223450729) 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 3 ways as a sum of consecutive naturals, for example, 3990164 + ... + 3990219.

It is an arithmetic number, because the mean of its divisors is an integer number (37241792).

Almost surely, 2^223450724 is an apocalyptic number.

It is an amenable number.

223450724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

223450724 is a wasteful number, since it uses less digits than its factorization.

223450724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7980394 (or 7980392 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 223450724 is about 14948.2682609057. The cubic root of 223450724 is about 606.8209816891.

The spelling of 223450724 in words is "two hundred twenty-three million, four hundred fifty thousand, seven hundred twenty-four".