1221314322 has 16 divisors (see below), whose sum is σ = 2442992832. Its totient is φ = 407044080.

The previous prime is 1221314287. The next prime is 1221314359. The reversal of 1221314322 is 2234131221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49872 + ... + 70212.

It is an arithmetic number, because the mean of its divisors is an integer number (152687052).

Almost surely, 2^1221314322 is an apocalyptic number.

1221314322 is an abundant number, since it is smaller than the sum of its proper divisors (1221678510).

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

1221314322 is a wasteful number, since it uses less digits than its factorization.

1221314322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30353.

The product of its digits is 576, while the sum is 21.

The square root of 1221314322 is about 34947.3077933051. The cubic root of 1221314322 is about 1068.9133061353.

Adding to 1221314322 its reverse (2234131221), we get a palindrome (3455445543).

The spelling of 1221314322 in words is "one billion, two hundred twenty-one million, three hundred fourteen thousand, three hundred twenty-two".