19057224 has 32 divisors (see below), whose sum is σ = 48071520. Its totient is φ = 6295296.

The previous prime is 19057217. The next prime is 19057229. The reversal of 19057224 is 42275091.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19057191 and 19057200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19057229) 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, 802 + ... + 6225.

It is an arithmetic number, because the mean of its divisors is an integer number (1502235).

Almost surely, 2^19057224 is an apocalyptic number.

It is an amenable number.

19057224 is an abundant number, since it is smaller than the sum of its proper divisors (29014296).

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

19057224 is a wasteful number, since it uses less digits than its factorization.

19057224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149 (or 7145 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 19057224 is about 4365.4580515680. The cubic root of 19057224 is about 267.1077851796.

The spelling of 19057224 in words is "nineteen million, fifty-seven thousand, two hundred twenty-four".