1916119228 has 6 divisors (see below), whose sum is σ = 3353208656. Its totient is φ = 958059612.

The previous prime is 1916119199. The next prime is 1916119241. The reversal of 1916119228 is 8229116191.

It is a super-2 number, since 2×1916119228² = 7343025791822631968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239514900 + ... + 239514907.

Almost surely, 2^1916119228 is an apocalyptic number.

It is an amenable number.

1916119228 is a deficient number, since it is larger than the sum of its proper divisors (1437089428).

1916119228 is a wasteful number, since it uses less digits than its factorization.

1916119228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479029811 (or 479029809 counting only the distinct ones).

The product of its digits is 15552, while the sum is 40.

The square root of 1916119228 is about 43773.4991518841. The cubic root of 1916119228 is about 1242.0550444391.

The spelling of 1916119228 in words is "one billion, nine hundred sixteen million, one hundred nineteen thousand, two hundred twenty-eight".