1158849226 has 16 divisors (see below), whose sum is σ = 1779934464. Its totient is φ = 565556544.

The previous prime is 1158849221. The next prime is 1158849247. The reversal of 1158849226 is 6229488511.

It is not an unprimeable number, because it can be changed into a prime (1158849221) 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, 149031 + ... + 156613.

It is an arithmetic number, because the mean of its divisors is an integer number (111245904).

Almost surely, 2^1158849226 is an apocalyptic number.

1158849226 is a deficient number, since it is larger than the sum of its proper divisors (621085238).

1158849226 is a wasteful number, since it uses less digits than its factorization.

1158849226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405.

The product of its digits is 276480, while the sum is 46.

The square root of 1158849226 is about 34041.8745958562. The cubic root of 1158849226 is about 1050.3700059563.

The spelling of 1158849226 in words is "one billion, one hundred fifty-eight million, eight hundred forty-nine thousand, two hundred twenty-six".