1423211322 has 16 divisors (see below), whose sum is σ = 3065378400. Its totient is φ = 437911152.

The previous prime is 1423211297. The next prime is 1423211357. The reversal of 1423211322 is 2231123241.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9123072 + ... + 9123227.

It is an arithmetic number, because the mean of its divisors is an integer number (191586150).

Almost surely, 2^1423211322 is an apocalyptic number.

1423211322 is an abundant number, since it is smaller than the sum of its proper divisors (1642167078).

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

1423211322 is a wasteful number, since it uses less digits than its factorization.

1423211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18246317.

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

The square root of 1423211322 is about 37725.4731183056. The cubic root of 1423211322 is about 1124.8375263637.

Adding to 1423211322 its reverse (2231123241), we get a palindrome (3654334563).

The spelling of 1423211322 in words is "one billion, four hundred twenty-three million, two hundred eleven thousand, three hundred twenty-two".