1222001344 has 56 divisors (see below), whose sum is σ = 2594244240. Its totient is φ = 569081856.

The previous prime is 1222001267. The next prime is 1222001371. The reversal of 1222001344 is 4431002221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99747 + ... + 111325.

It is an arithmetic number, because the mean of its divisors is an integer number (46325790).

Almost surely, 2^1222001344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222001344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297122120).

1222001344 is an abundant number, since it is smaller than the sum of its proper divisors (1372242896).

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

1222001344 is a wasteful number, since it uses less digits than its factorization.

1222001344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11705 (or 11695 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1222001344 is about 34957.1358094453. The cubic root of 1222001344 is about 1069.1136993474.

Adding to 1222001344 its reverse (4431002221), we get a palindrome (5653003565).

The spelling of 1222001344 in words is "one billion, two hundred twenty-two million, one thousand, three hundred forty-four".