223345447 has 8 divisors (see below), whose sum is σ = 243424944. Its totient is φ = 203680128.

The previous prime is 223345429. The next prime is 223345511. The reversal of 223345447 is 744543322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223345447 - 2⁷ = 223345319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223345417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102418 + ... + 104575.

It is an arithmetic number, because the mean of its divisors is an integer number (30428118).

Almost surely, 2^223345447 is an apocalyptic number.

223345447 is a deficient number, since it is larger than the sum of its proper divisors (20079497).

223345447 is a wasteful number, since it uses less digits than its factorization.

223345447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207089.

The product of its digits is 80640, while the sum is 34.

The square root of 223345447 is about 14944.7464682409. The cubic root of 223345447 is about 606.7256671207.

Adding to 223345447 its reverse (744543322), we get a palindrome (967888769).

The spelling of 223345447 in words is "two hundred twenty-three million, three hundred forty-five thousand, four hundred forty-seven".