1165537222 has 8 divisors (see below), whose sum is σ = 1795557456. Its totient is φ = 567018072.

The previous prime is 1165537181. The next prime is 1165537277. The reversal of 1165537222 is 2227355611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7875178 + ... + 7875325.

It is an arithmetic number, because the mean of its divisors is an integer number (224444682).

Almost surely, 2^1165537222 is an apocalyptic number.

1165537222 is a deficient number, since it is larger than the sum of its proper divisors (630020234).

1165537222 is a wasteful number, since it uses less digits than its factorization.

1165537222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750542.

The product of its digits is 25200, while the sum is 34.

The square root of 1165537222 is about 34139.9651728000. The cubic root of 1165537222 is about 1052.3867766559.

The spelling of 1165537222 in words is "one billion, one hundred sixty-five million, five hundred thirty-seven thousand, two hundred twenty-two".