1321013222 has 8 divisors (see below), whose sum is σ = 1982235672. Its totient is φ = 660268000.

The previous prime is 1321013207. The next prime is 1321013231. The reversal of 1321013222 is 2223101231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1321013222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112304 + ... + 123507.

It is an arithmetic number, because the mean of its divisors is an integer number (247779459).

Almost surely, 2^1321013222 is an apocalyptic number.

1321013222 is a deficient number, since it is larger than the sum of its proper divisors (661222450).

1321013222 is a wasteful number, since it uses less digits than its factorization.

1321013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238614.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1321013222 is about 36345.7455832179. The cubic root of 1321013222 is about 1097.2419117668.

Adding to 1321013222 its reverse (2223101231), we get a palindrome (3544114453).

The spelling of 1321013222 in words is "one billion, three hundred twenty-one million, thirteen thousand, two hundred twenty-two".