19224434 has 8 divisors (see below), whose sum is σ = 28893360. Its totient is φ = 9593316.

The previous prime is 19224431. The next prime is 19224451. The reversal of 19224434 is 43442291.

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

It is a super-3 number, since 3×19224434³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19224397 and 19224406.

It is not an unprimeable number, because it can be changed into a prime (19224431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8144 + ... + 10235.

It is an arithmetic number, because the mean of its divisors is an integer number (3611670).

Almost surely, 2^19224434 is an apocalyptic number.

19224434 is a deficient number, since it is larger than the sum of its proper divisors (9668926).

19224434 is a wasteful number, since it uses less digits than its factorization.

19224434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18904.

The product of its digits is 6912, while the sum is 29.

The square root of 19224434 is about 4384.5677095924. The cubic root of 19224434 is about 267.8867216369.

The spelling of 19224434 in words is "nineteen million, two hundred twenty-four thousand, four hundred thirty-four".