1222334538 has 16 divisors (see below), whose sum is σ = 2463332256. Its totient is φ = 404334320.

The previous prime is 1222334521. The next prime is 1222334549. The reversal of 1222334538 is 8354332221.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1222334499 and 1222334508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776781 + ... + 778352.

It is an arithmetic number, because the mean of its divisors is an integer number (153958266).

Almost surely, 2^1222334538 is an apocalyptic number.

1222334538 is an abundant number, since it is smaller than the sum of its proper divisors (1240997718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222334538 is a wasteful number, since it uses less digits than its factorization.

1222334538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555269.

The product of its digits is 34560, while the sum is 33.

The square root of 1222334538 is about 34961.9012354878. The cubic root of 1222334538 is about 1069.2108596057.

Adding to 1222334538 its reverse (8354332221), we get a palindrome (9576666759).

The spelling of 1222334538 in words is "one billion, two hundred twenty-two million, three hundred thirty-four thousand, five hundred thirty-eight".