1135222816 has 96 divisors (see below), whose sum is σ = 2779781760. Its totient is φ = 444358656.

The previous prime is 1135222807. The next prime is 1135222853. The reversal of 1135222816 is 6182225311.

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, 280455 + ... + 284473.

It is an arithmetic number, because the mean of its divisors is an integer number (28956060).

Almost surely, 2^1135222816 is an apocalyptic number.

1135222816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135222816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389890880).

1135222816 is an abundant number, since it is smaller than the sum of its proper divisors (1644558944).

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

1135222816 is a wasteful number, since it uses less digits than its factorization.

1135222816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146 (or 4138 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 1135222816 is about 33693.0677736534. The cubic root of 1135222816 is about 1043.1826860670.

The spelling of 1135222816 in words is "one billion, one hundred thirty-five million, two hundred twenty-two thousand, eight hundred sixteen".