1115442237 has 32 divisors (see below), whose sum is σ = 1834334208. Its totient is φ = 587123136.

The previous prime is 1115442227. The next prime is 1115442277. The reversal of 1115442237 is 7322445111.

It is not a de Polignac number, because 1115442237 - 2⁴ = 1115442221 is a prime.

It is a super-2 number, since 2×1115442237² = 2488422768167128338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115442227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133258 + ... + 141380.

It is an arithmetic number, because the mean of its divisors is an integer number (57322944).

Almost surely, 2^1115442237 is an apocalyptic number.

It is an amenable number.

1115442237 is a deficient number, since it is larger than the sum of its proper divisors (718891971).

1115442237 is a wasteful number, since it uses less digits than its factorization.

1115442237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8649.

The product of its digits is 6720, while the sum is 30.

The square root of 1115442237 is about 33398.2370343107. The cubic root of 1115442237 is about 1037.0882053184.

Adding to 1115442237 its reverse (7322445111), we get a palindrome (8437887348).

The spelling of 1115442237 in words is "one billion, one hundred fifteen million, four hundred forty-two thousand, two hundred thirty-seven".