1165260222 has 32 divisors (see below), whose sum is σ = 2959392000. Its totient is φ = 332931384.

The previous prime is 1165260211. The next prime is 1165260227. The reversal of 1165260222 is 2220625611.

1165260222 is a `hidden beast` number, since 1 + 1 + 6 + 52 + 602 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165260227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540972 + ... + 1541727.

It is an arithmetic number, because the mean of its divisors is an integer number (92481000).

Almost surely, 2^1165260222 is an apocalyptic number.

1165260222 is an abundant number, since it is smaller than the sum of its proper divisors (1794131778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1165260222 is a wasteful number, since it uses less digits than its factorization.

1165260222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082717 (or 3082711 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1165260222 is about 34135.9081027589. The cubic root of 1165260222 is about 1052.3034004445.

Adding to 1165260222 its reverse (2220625611), we get a palindrome (3385885833).

The spelling of 1165260222 in words is "one billion, one hundred sixty-five million, two hundred sixty thousand, two hundred twenty-two".