1975228844 has 12 divisors (see below), whose sum is σ = 3659982984. Its totient is φ = 929519424.

The previous prime is 1975228823. The next prime is 1975228867. The reversal of 1975228844 is 4488225791.

It is a junction number, because it is equal to n+sod(n) for n = 1975228792 and 1975228801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14523674 + ... + 14523809.

It is an arithmetic number, because the mean of its divisors is an integer number (304998582).

Almost surely, 2^1975228844 is an apocalyptic number.

It is an amenable number.

1975228844 is a deficient number, since it is larger than the sum of its proper divisors (1684754140).

1975228844 is a wasteful number, since it uses less digits than its factorization.

1975228844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29047504 (or 29047502 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The square root of 1975228844 is about 44443.5467081555. The cubic root of 1975228844 is about 1254.6978090740.

The spelling of 1975228844 in words is "one billion, nine hundred seventy-five million, two hundred twenty-eight thousand, eight hundred forty-four".