1223231322 has 16 divisors (see below), whose sum is σ = 2512583712. Its totient is φ = 396723600.

The previous prime is 1223231293. The next prime is 1223231327. The reversal of 1223231322 is 2231323221.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1223231327) 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, 2754804 + ... + 2755247.

It is an arithmetic number, because the mean of its divisors is an integer number (157036482).

Almost surely, 2^1223231322 is an apocalyptic number.

1223231322 is an abundant number, since it is smaller than the sum of its proper divisors (1289352390).

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

1223231322 is a wasteful number, since it uses less digits than its factorization.

1223231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510093.

The product of its digits is 864, while the sum is 21.

The square root of 1223231322 is about 34974.7240446583. The cubic root of 1223231322 is about 1069.4722765270.

Adding to 1223231322 its reverse (2231323221), we get a palindrome (3454554543).

The spelling of 1223231322 in words is "one billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty-two".