1222344468 has 36 divisors (see below), whose sum is σ = 3102765120. Its totient is φ = 405740496.

The previous prime is 1222344467. The next prime is 1222344479. The reversal of 1222344468 is 8644432221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222344467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62430 + ... + 79637.

It is an arithmetic number, because the mean of its divisors is an integer number (86187920).

Almost surely, 2^1222344468 is an apocalyptic number.

1222344468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1222344468 is an abundant number, since it is smaller than the sum of its proper divisors (1880420652).

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

1222344468 is a wasteful number, since it uses less digits than its factorization.

1222344468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142316 (or 142311 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 1222344468 is about 34962.0432469271. The cubic root of 1222344468 is about 1069.2137549492.

Adding to 1222344468 its reverse (8644432221), we get a palindrome (9866776689).

The spelling of 1222344468 in words is "one billion, two hundred twenty-two million, three hundred forty-four thousand, four hundred sixty-eight".