1121223226 has 16 divisors (see below), whose sum is σ = 1691020800. Its totient is φ = 557558640.

The previous prime is 1121223223. The next prime is 1121223227. The reversal of 1121223226 is 6223221211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1121223197 and 1121223206.

It is not an unprimeable number, because it can be changed into a prime (1121223223) 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, 298975 + ... + 302701.

It is an arithmetic number, because the mean of its divisors is an integer number (105688800).

Almost surely, 2^1121223226 is an apocalyptic number.

1121223226 is a deficient number, since it is larger than the sum of its proper divisors (569797574).

1121223226 is a wasteful number, since it uses less digits than its factorization.

1121223226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509.

The product of its digits is 576, while the sum is 22.

The square root of 1121223226 is about 33484.6715080199. The cubic root of 1121223226 is about 1038.8767538738.

Adding to 1121223226 its reverse (6223221211), we get a palindrome (7344444437).

The spelling of 1121223226 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred twenty-six".