1550647228 has 48 divisors (see below), whose sum is σ = 3085729920. Its totient is φ = 675912384.

The previous prime is 1550647213. The next prime is 1550647283. The reversal of 1550647228 is 8227460551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340575 + ... + 345097.

It is an arithmetic number, because the mean of its divisors is an integer number (64286040).

Almost surely, 2^1550647228 is an apocalyptic number.

It is an amenable number.

1550647228 is a deficient number, since it is larger than the sum of its proper divisors (1535082692).

1550647228 is a wasteful number, since it uses less digits than its factorization.

1550647228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 1550647228 is about 39378.2583159794. The cubic root of 1550647228 is about 1157.4555873037.

The spelling of 1550647228 in words is "one billion, five hundred fifty million, six hundred forty-seven thousand, two hundred twenty-eight".