1165226372 has 6 divisors (see below), whose sum is σ = 2039146158. Its totient is φ = 582613184.

The previous prime is 1165226333. The next prime is 1165226389. The reversal of 1165226372 is 2736225611.

It can be written as a sum of positive squares in only one way, i.e., 609398596 + 555827776 = 24686^2 + 23576^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145653293 + ... + 145653300.

It is an arithmetic number, because the mean of its divisors is an integer number (339857693).

Almost surely, 2^1165226372 is an apocalyptic number.

It is an amenable number.

1165226372 is a deficient number, since it is larger than the sum of its proper divisors (873919786).

1165226372 is a wasteful number, since it uses less digits than its factorization.

1165226372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291306597 (or 291306595 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 1165226372 is about 34135.4122869492. The cubic root of 1165226372 is about 1052.2932107849.

The spelling of 1165226372 in words is "one billion, one hundred sixty-five million, two hundred twenty-six thousand, three hundred seventy-two".