19225430 has 32 divisors (see below), whose sum is σ = 39735360. Its totient is φ = 6560640.

The previous prime is 19225417. The next prime is 19225441. The reversal of 19225430 is 3452291.

It is a self number, because there is not a number n which added to its sum of digits gives 19225430.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18320 + ... + 19340.

It is an arithmetic number, because the mean of its divisors is an integer number (1241730).

Almost surely, 2^19225430 is an apocalyptic number.

19225430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19225430 is an abundant number, since it is smaller than the sum of its proper divisors (20509930).

19225430 is a wasteful number, since it uses less digits than its factorization.

19225430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 19225430 is about 4384.6812883036. The cubic root of 19225430 is about 267.8913478774.

The spelling of 19225430 in words is "nineteen million, two hundred twenty-five thousand, four hundred thirty".