1222233456 has 80 divisors (see below), whose sum is σ = 3191045760. Its totient is φ = 403104000.

The previous prime is 1222233443. The next prime is 1222233473. The reversal of 1222233456 is 6543322221.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2758771 + ... + 2759213.

It is an arithmetic number, because the mean of its divisors is an integer number (39888072).

Almost surely, 2^1222233456 is an apocalyptic number.

1222233456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1222233456 is an abundant number, since it is smaller than the sum of its proper divisors (1968812304).

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

1222233456 is a wasteful number, since it uses less digits than its factorization.

1222233456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 928 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 1222233456 is about 34960.4556034386. The cubic root of 1222233456 is about 1069.1813856911.

Adding to 1222233456 its reverse (6543322221), we get a palindrome (7765555677).

The spelling of 1222233456 in words is "one billion, two hundred twenty-two million, two hundred thirty-three thousand, four hundred fifty-six".