19019228 has 12 divisors (see below), whose sum is σ = 35035560. Its totient is φ = 9009072.

The previous prime is 19019227. The next prime is 19019237. The reversal of 19019228 is 82291091.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19019194 and 19019203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19019227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125051 + ... + 125202.

It is an arithmetic number, because the mean of its divisors is an integer number (2919630).

Almost surely, 2^19019228 is an apocalyptic number.

It is an amenable number.

19019228 is a deficient number, since it is larger than the sum of its proper divisors (16016332).

19019228 is a wasteful number, since it uses less digits than its factorization.

19019228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250276 (or 250274 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 19019228 is about 4361.1039886708. The cubic root of 19019228 is about 266.9301486068.

The spelling of 19019228 in words is "nineteen million, nineteen thousand, two hundred twenty-eight".