1972966226 has 48 divisors (see below), whose sum is σ = 3756294528. Its totient is φ = 760700160.

The previous prime is 1972966199. The next prime is 1972966231. The reversal of 1972966226 is 6226692791.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158315 + ... + 170321.

It is an arithmetic number, because the mean of its divisors is an integer number (78256136).

Almost surely, 2^1972966226 is an apocalyptic number.

1972966226 is a deficient number, since it is larger than the sum of its proper divisors (1783328302).

1972966226 is a wasteful number, since it uses less digits than its factorization.

1972966226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12135 (or 12124 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 1972966226 is about 44418.0844476661. The cubic root of 1972966226 is about 1254.2185419871.

The spelling of 1972966226 in words is "one billion, nine hundred seventy-two million, nine hundred sixty-six thousand, two hundred twenty-six".