223426019 has 8 divisors (see below), whose sum is σ = 236993328. Its totient is φ = 209905920.

The previous prime is 223426009. The next prime is 223426033. The reversal of 223426019 is 910624322.

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 223426019 - 2⁴ = 223426003 is a prime.

It is a super-2 number, since 2×223426019² = 99838371932376722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223425982 and 223426000.

It is not an unprimeable number, because it can be changed into a prime (223426009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802 + ... + 21215.

It is an arithmetic number, because the mean of its divisors is an integer number (29624166).

Almost surely, 2^223426019 is an apocalyptic number.

223426019 is a deficient number, since it is larger than the sum of its proper divisors (13567309).

223426019 is a wasteful number, since it uses less digits than its factorization.

223426019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23605.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 223426019 is about 14947.4418881627. The cubic root of 223426019 is about 606.7986172283.

The spelling of 223426019 in words is "two hundred twenty-three million, four hundred twenty-six thousand, nineteen".