1115422245 has 48 divisors (see below), whose sum is σ = 2291452800. Its totient is φ = 509903424.

The previous prime is 1115422229. The next prime is 1115422267. The reversal of 1115422245 is 5422245111.

It is a happy number.

1115422245 is a `hidden beast` number, since 111 + 542 + 2 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 1115422245 - 2⁴ = 1115422229 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57070 + ... + 74079.

It is an arithmetic number, because the mean of its divisors is an integer number (47738600).

Almost surely, 2^1115422245 is an apocalyptic number.

1115422245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115422245 is an abundant number, since it is smaller than the sum of its proper divisors (1176030555).

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

1115422245 is an equidigital number, since it uses as much as digits as its factorization.

1115422245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131176 (or 131164 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1115422245 is about 33397.9377357345. The cubic root of 1115422245 is about 1037.0820093928.

Adding to 1115422245 its reverse (5422245111), we get a palindrome (6537667356).

The spelling of 1115422245 in words is "one billion, one hundred fifteen million, four hundred twenty-two thousand, two hundred forty-five".