223442439 has 16 divisors (see below), whose sum is σ = 325296000. Its totient is φ = 135299360.

The previous prime is 223442437. The next prime is 223442449. The reversal of 223442439 is 934244322.

223442439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 223442439 - 2¹ = 223442437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223442437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47209 + ... + 51725.

It is an arithmetic number, because the mean of its divisors is an integer number (20331000).

Almost surely, 2^223442439 is an apocalyptic number.

223442439 is a deficient number, since it is larger than the sum of its proper divisors (101853561).

223442439 is a wasteful number, since it uses less digits than its factorization.

223442439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030.

The product of its digits is 41472, while the sum is 33.

The square root of 223442439 is about 14947.9911359353. The cubic root of 223442439 is about 606.8134817896.

The spelling of 223442439 in words is "two hundred twenty-three million, four hundred forty-two thousand, four hundred thirty-nine".