223419 has 8 divisors (see below), whose sum is σ = 340480. Its totient is φ = 127656.

The previous prime is 223403. The next prime is 223423. The reversal of 223419 is 914322.

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

It is not a de Polignac number, because 223419 - 2⁴ = 223403 is a prime.

It is a super-2 number, since 2×223419² = 99832099122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10639 = 223419 / (2 + 2 + 3 + 4 + 1 + 9).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 223395 and 223404.

It is not an unprimeable number, because it can be changed into a prime (223429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5299 + ... + 5340.

It is an arithmetic number, because the mean of its divisors is an integer number (42560).

2²²³⁴¹⁹ is an apocalyptic number.

223419 is a deficient number, since it is larger than the sum of its proper divisors (117061).

223419 is a wasteful number, since it uses less digits than its factorization.

223419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10649.

The product of its digits is 432, while the sum is 21.

The square root of 223419 is about 472.6721908469. The cubic root of 223419 is about 60.6792262904.

The spelling of 223419 in words is "two hundred twenty-three thousand, four hundred nineteen".