1165422237 has 16 divisors (see below), whose sum is σ = 1793126400. Its totient is φ = 659488752.

The previous prime is 1165422227. The next prime is 1165422239. The reversal of 1165422237 is 7322245611.

It is not a de Polignac number, because 1165422237 - 2²⁸ = 896986781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1165422198 and 1165422207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165422239) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 267237 + ... + 271562.

It is an arithmetic number, because the mean of its divisors is an integer number (112070400).

Almost surely, 2^1165422237 is an apocalyptic number.

It is an amenable number.

1165422237 is a deficient number, since it is larger than the sum of its proper divisors (627704163).

1165422237 is a wasteful number, since it uses less digits than its factorization.

1165422237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538912.

The product of its digits is 20160, while the sum is 33.

The square root of 1165422237 is about 34138.2811078707. The cubic root of 1165422237 is about 1052.3521681021.

Adding to 1165422237 its reverse (7322245611), we get a palindrome (8487667848).

The spelling of 1165422237 in words is "one billion, one hundred sixty-five million, four hundred twenty-two thousand, two hundred thirty-seven".