19224226 has 8 divisors (see below), whose sum is σ = 32955840. Its totient is φ = 8238948.

The previous prime is 19224209. The next prime is 19224253. The reversal of 19224226 is 62242291.

19224226 is nontrivially palindromic in base 11.

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

It is a junction number, because it is equal to n+sod(n) for n = 19224194 and 19224203.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 686566 + ... + 686593.

It is an arithmetic number, because the mean of its divisors is an integer number (4119480).

Almost surely, 2^19224226 is an apocalyptic number.

19224226 is a deficient number, since it is larger than the sum of its proper divisors (13731614).

19224226 is a wasteful number, since it uses less digits than its factorization.

19224226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373168.

The product of its digits is 3456, while the sum is 28.

The square root of 19224226 is about 4384.5439899720. The cubic root of 19224226 is about 267.8857554942.

The spelling of 19224226 in words is "nineteen million, two hundred twenty-four thousand, two hundred twenty-six".