19228148 has 12 divisors (see below), whose sum is σ = 33892320. Its totient is φ = 9544632.

The previous prime is 19228147. The next prime is 19228151. The reversal of 19228148 is 84182291.

It is a super-3 number, since 3×19228148³ (a number of 23 digits) contains 333 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19228141) 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 3 ways as a sum of consecutive naturals, for example, 16736 + ... + 17847.

It is an arithmetic number, because the mean of its divisors is an integer number (2824360).

Almost surely, 2^19228148 is an apocalyptic number.

It is an amenable number.

19228148 is a deficient number, since it is larger than the sum of its proper divisors (14664172).

19228148 is a wasteful number, since it uses less digits than its factorization.

19228148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34726 (or 34724 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 19228148 is about 4384.9912200596. The cubic root of 19228148 is about 267.9039716847.

The spelling of 19228148 in words is "nineteen million, two hundred twenty-eight thousand, one hundred forty-eight".