1158205222 has 4 divisors (see below), whose sum is σ = 1737307836. Its totient is φ = 579102610.

The previous prime is 1158205207. The next prime is 1158205253. The reversal of 1158205222 is 2225028511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289551304 + ... + 289551307.

It is an arithmetic number, because the mean of its divisors is an integer number (434326959).

Almost surely, 2^1158205222 is an apocalyptic number.

1158205222 is a deficient number, since it is larger than the sum of its proper divisors (579102614).

1158205222 is an equidigital number, since it uses as much as digits as its factorization.

1158205222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579102613.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 1158205222 is about 34032.4142840322. The cubic root of 1158205222 is about 1050.1753968520.

The spelling of 1158205222 in words is "one billion, one hundred fifty-eight million, two hundred five thousand, two hundred twenty-two".