223238450 has 18 divisors (see below), whose sum is σ = 415420119. Its totient is φ = 89253120.

The previous prime is 223238447. The next prime is 223238459. The reversal of 223238450 is 54832322.

223238450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 2745649 + 220492801 = 1657^2 + 14849^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10565.

It is a super-3 number, since 3×223238450³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223238459) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104594 + ... + 106706.

Almost surely, 2^223238450 is an apocalyptic number.

223238450 is a deficient number, since it is larger than the sum of its proper divisors (192181669).

223238450 is an frugal number, since it uses more digits than its factorization.

223238450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 223238450 is about 14941.1662864717. The cubic root of 223238450 is about 606.6287646221.

The spelling of 223238450 in words is "two hundred twenty-three million, two hundred thirty-eight thousand, four hundred fifty".