19228056 has 32 divisors (see below), whose sum is σ = 48179760. Its totient is φ = 6394752.

The previous prime is 19228039. The next prime is 19228063. The reversal of 19228056 is 65082291.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17046 + ... + 18138.

Almost surely, 2^19228056 is an apocalyptic number.

It is an amenable number.

19228056 is an abundant number, since it is smaller than the sum of its proper divisors (28951704).

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

19228056 is a wasteful number, since it uses less digits than its factorization.

19228056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 19228056 is about 4384.9807297182. The cubic root of 19228056 is about 267.9035444083.

The spelling of 19228056 in words is "nineteen million, two hundred twenty-eight thousand, fifty-six".