1125218822 has 32 divisors (see below), whose sum is σ = 2121541632. Its totient is φ = 435667104.

The previous prime is 1125218813. The next prime is 1125218833. The reversal of 1125218822 is 2288125211.

It is a super-2 number, since 2×1125218822² = 2532234794766135368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57218 + ... + 74325.

It is an arithmetic number, because the mean of its divisors is an integer number (66298176).

Almost surely, 2^1125218822 is an apocalyptic number.

1125218822 is a deficient number, since it is larger than the sum of its proper divisors (996322810).

1125218822 is a wasteful number, since it uses less digits than its factorization.

1125218822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131612.

The product of its digits is 5120, while the sum is 32.

The square root of 1125218822 is about 33544.2815096702. The cubic root of 1125218822 is about 1040.1093394658.

The spelling of 1125218822 in words is "one billion, one hundred twenty-five million, two hundred eighteen thousand, eight hundred twenty-two".