19224130 has 16 divisors (see below), whose sum is σ = 34655544. Its totient is φ = 7678080.

The previous prime is 19224103. The next prime is 19224133. The reversal of 19224130 is 3142291.

It can be written as a sum of positive squares in 4 ways, for example, as 14130081 + 5094049 = 3759^2 + 2257^2 .

It is not an unprimeable number, because it can be changed into a prime (19224133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 11260.

Almost surely, 2^19224130 is an apocalyptic number.

19224130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19224130 is a deficient number, since it is larger than the sum of its proper divisors (15431414).

19224130 is a wasteful number, since it uses less digits than its factorization.

19224130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 19224130 is about 4384.5330424117. The cubic root of 19224130 is about 267.8853095798.

The spelling of 19224130 in words is "nineteen million, two hundred twenty-four thousand, one hundred thirty".