1224229558 has 4 divisors (see below), whose sum is σ = 1836344340. Its totient is φ = 612114778.

The previous prime is 1224229553. The next prime is 1224229607. The reversal of 1224229558 is 8559224221.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224229558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224229553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306057388 + ... + 306057391.

It is an arithmetic number, because the mean of its divisors is an integer number (459086085).

Almost surely, 2^1224229558 is an apocalyptic number.

1224229558 is a deficient number, since it is larger than the sum of its proper divisors (612114782).

1224229558 is an equidigital number, since it uses as much as digits as its factorization.

1224229558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612114781.

The product of its digits is 115200, while the sum is 40.

The square root of 1224229558 is about 34988.9919546134. The cubic root of 1224229558 is about 1069.7631169793.

The spelling of 1224229558 in words is "one billion, two hundred twenty-four million, two hundred twenty-nine thousand, five hundred fifty-eight".