1115822229 has 8 divisors (see below), whose sum is σ = 1500929472. Its totient is φ = 737298240.

The previous prime is 1115822171. The next prime is 1115822233. The reversal of 1115822229 is 9222285111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1115822229 - 2¹² = 1115818133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1115822229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115892229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645417 + ... + 1646094.

It is an arithmetic number, because the mean of its divisors is an integer number (187616184).

Almost surely, 2^1115822229 is an apocalyptic number.

It is an amenable number.

1115822229 is a deficient number, since it is larger than the sum of its proper divisors (385107243).

1115822229 is a wasteful number, since it uses less digits than its factorization.

1115822229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291627.

The product of its digits is 5760, while the sum is 33.

The square root of 1115822229 is about 33403.9253531677. The cubic root of 1115822229 is about 1037.2059584589.

The spelling of 1115822229 in words is "one billion, one hundred fifteen million, eight hundred twenty-two thousand, two hundred twenty-nine".