1222035321 has 16 divisors (see below), whose sum is σ = 1815226560. Its totient is φ = 726089280.

The previous prime is 1222035313. The next prime is 1222035323. The reversal of 1222035321 is 1235302221.

It is not a de Polignac number, because 1222035321 - 2³ = 1222035313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222035323) 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 15 ways as a sum of consecutive naturals, for example, 539115 + ... + 541376.

It is an arithmetic number, because the mean of its divisors is an integer number (113451660).

Almost surely, 2^1222035321 is an apocalyptic number.

It is an amenable number.

1222035321 is a deficient number, since it is larger than the sum of its proper divisors (593191239).

1222035321 is a wasteful number, since it uses less digits than its factorization.

1222035321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080536.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1222035321 is about 34957.6217869580. The cubic root of 1222035321 is about 1069.1236079398.

Adding to 1222035321 its reverse (1235302221), we get a palindrome (2457337542).

The spelling of 1222035321 in words is "one billion, two hundred twenty-two million, thirty-five thousand, three hundred twenty-one".