1972049228 has 24 divisors (see below), whose sum is σ = 3531003840. Its totient is φ = 963347840.

The previous prime is 1972049179. The next prime is 1972049239. The reversal of 1972049228 is 8229402791.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31208 + ... + 70128.

It is an arithmetic number, because the mean of its divisors is an integer number (147125160).

Almost surely, 2^1972049228 is an apocalyptic number.

It is an amenable number.

1972049228 is a deficient number, since it is larger than the sum of its proper divisors (1558954612).

1972049228 is a wasteful number, since it uses less digits than its factorization.

1972049228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39217 (or 39215 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1972049228 is about 44407.7608982934. The cubic root of 1972049228 is about 1254.0241993928.

The spelling of 1972049228 in words is "one billion, nine hundred seventy-two million, forty-nine thousand, two hundred twenty-eight".