1222001322 has 16 divisors (see below), whose sum is σ = 2444894112. Its totient is φ = 407185200.

The previous prime is 1222001267. The next prime is 1222001371. The reversal of 1222001322 is 2231002221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18613 + ... + 52824.

It is an arithmetic number, because the mean of its divisors is an integer number (152805882).

Almost surely, 2^1222001322 is an apocalyptic number.

1222001322 is an abundant number, since it is smaller than the sum of its proper divisors (1222892790).

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

1222001322 is a wasteful number, since it uses less digits than its factorization.

1222001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74293.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1222001322 is about 34957.1354947742. The cubic root of 1222001322 is about 1069.1136929316.

Adding to 1222001322 its reverse (2231002221), we get a palindrome (3453003543).

The spelling of 1222001322 in words is "one billion, two hundred twenty-two million, one thousand, three hundred twenty-two".