1222320322 has 32 divisors (see below), whose sum is σ = 1919763648. Its totient is φ = 583220736.

The previous prime is 1222320301. The next prime is 1222320373. The reversal of 1222320322 is 2230232221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222320322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708553 + ... + 710275.

It is an arithmetic number, because the mean of its divisors is an integer number (59992614).

Almost surely, 2^1222320322 is an apocalyptic number.

1222320322 is a deficient number, since it is larger than the sum of its proper divisors (697443326).

1222320322 is a wasteful number, since it uses less digits than its factorization.

1222320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1222320322 is about 34961.6979278753. The cubic root of 1222320322 is about 1069.2067145429.

Adding to 1222320322 its reverse (2230232221), we get a palindrome (3452552543).

The spelling of 1222320322 in words is "one billion, two hundred twenty-two million, three hundred twenty thousand, three hundred twenty-two".