1078643228 has 24 divisors (see below), whose sum is σ = 2040089520. Its totient is φ = 496056960.

The previous prime is 1078643219. The next prime is 1078643273. The reversal of 1078643228 is 8223468701.

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, 22298 + ... + 51521.

It is an arithmetic number, because the mean of its divisors is an integer number (85003730).

Almost surely, 2^1078643228 is an apocalyptic number.

It is an amenable number.

1078643228 is a deficient number, since it is larger than the sum of its proper divisors (961446292).

1078643228 is a wasteful number, since it uses less digits than its factorization.

1078643228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74117 (or 74115 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1078643228 is about 32842.7043344485. The cubic root of 1078643228 is about 1025.5557495432. Note that the first 3 decimals are identical.

The spelling of 1078643228 in words is "one billion, seventy-eight million, six hundred forty-three thousand, two hundred twenty-eight".