1222233342 has 64 divisors (see below), whose sum is σ = 2776025088. Its totient is φ = 358353600.

The previous prime is 1222233323. The next prime is 1222233347. The reversal of 1222233342 is 2433322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222233347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245098 + ... + 250034.

It is an arithmetic number, because the mean of its divisors is an integer number (43375392).

Almost surely, 2^1222233342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222233342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1388012544).

1222233342 is an abundant number, since it is smaller than the sum of its proper divisors (1553791746).

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

1222233342 is a wasteful number, since it uses less digits than its factorization.

1222233342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006 (or 4984 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 1222233342 is about 34960.4539730250. The cubic root of 1222233342 is about 1069.1813524496.

Adding to 1222233342 its reverse (2433322221), we get a palindrome (3655555563).

The spelling of 1222233342 in words is "one billion, two hundred twenty-two million, two hundred thirty-three thousand, three hundred forty-two".