1135222817 has 4 divisors (see below), whose sum is σ = 1135343616. Its totient is φ = 1135102020.

The previous prime is 1135222807. The next prime is 1135222853. The reversal of 1135222817 is 7182225311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7182225311 = 1103 ⋅6511537.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135222817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135222807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44993 + ... + 65534.

It is an arithmetic number, because the mean of its divisors is an integer number (283835904).

Almost surely, 2^1135222817 is an apocalyptic number.

It is an amenable number.

1135222817 is a deficient number, since it is larger than the sum of its proper divisors (120799).

1135222817 is a wasteful number, since it uses less digits than its factorization.

1135222817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120798.

The product of its digits is 6720, while the sum is 32.

The square root of 1135222817 is about 33693.0677884932. The cubic root of 1135222817 is about 1043.1826863733.

The spelling of 1135222817 in words is "one billion, one hundred thirty-five million, two hundred twenty-two thousand, eight hundred seventeen".