19424226 has 8 divisors (see below), whose sum is σ = 38848464. Its totient is φ = 6474740.

The previous prime is 19424203. The next prime is 19424227. The reversal of 19424226 is 62242491.

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

19424226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 19424193 and 19424202.

It is not an unprimeable number, because it can be changed into a prime (19424227) 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 3 ways as a sum of consecutive naturals, for example, 1618680 + ... + 1618691.

It is an arithmetic number, because the mean of its divisors is an integer number (4856058).

Almost surely, 2^19424226 is an apocalyptic number.

19424226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19424226 is a wasteful number, since it uses less digits than its factorization.

19424226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237376.

The product of its digits is 6912, while the sum is 30.

The square root of 19424226 is about 4407.2923660679. The cubic root of 19424226 is about 268.8115391075.

The spelling of 19424226 in words is "nineteen million, four hundred twenty-four thousand, two hundred twenty-six".