1131152222 has 16 divisors (see below), whose sum is σ = 1797169680. Its totient is φ = 532119168.

The previous prime is 1131152207. The next prime is 1131152237. The reversal of 1131152222 is 2222511311.

It is an interprime number because it is at equal distance from previous prime (1131152207) and next prime (1131152237).

It is a junction number, because it is equal to n+sod(n) for n = 1131152194 and 1131152203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159353 + ... + 166299.

It is an arithmetic number, because the mean of its divisors is an integer number (112323105).

Almost surely, 2^1131152222 is an apocalyptic number.

1131152222 is a deficient number, since it is larger than the sum of its proper divisors (666017458).

1131152222 is a wasteful number, since it uses less digits than its factorization.

1131152222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11755.

The product of its digits is 240, while the sum is 20.

The square root of 1131152222 is about 33632.6065299733. The cubic root of 1131152222 is about 1041.9343382548.

Adding to 1131152222 its reverse (2222511311), we get a palindrome (3353663533).

The spelling of 1131152222 in words is "one billion, one hundred thirty-one million, one hundred fifty-two thousand, two hundred twenty-two".