19224042 has 64 divisors (see below), whose sum is σ = 43182720. Its totient is φ = 5677056.

The previous prime is 19224041. The next prime is 19224043. The reversal of 19224042 is 24042291.

It is an interprime number because it is at equal distance from previous prime (19224041) and next prime (19224043).

It is not an unprimeable number, because it can be changed into a prime (19224041) 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 31 ways as a sum of consecutive naturals, for example, 198138 + ... + 198234.

It is an arithmetic number, because the mean of its divisors is an integer number (674730).

Almost surely, 2^19224042 is an apocalyptic number.

19224042 is an abundant number, since it is smaller than the sum of its proper divisors (23958678).

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

19224042 is a wasteful number, since it uses less digits than its factorization.

19224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 19224042 is about 4384.5230071240. The cubic root of 19224042 is about 267.8849008237.

The spelling of 19224042 in words is "nineteen million, two hundred twenty-four thousand, forty-two".