1322422012 has 12 divisors (see below), whose sum is σ = 2317661640. Its totient is φ = 660232976.

The previous prime is 1322422009. The next prime is 1322422109. The reversal of 1322422012 is 2102242231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241462 + ... + 246877.

It is an arithmetic number, because the mean of its divisors is an integer number (193138470).

Almost surely, 2^1322422012 is an apocalyptic number.

It is an amenable number.

1322422012 is a deficient number, since it is larger than the sum of its proper divisors (995239628).

1322422012 is a wasteful number, since it uses less digits than its factorization.

1322422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489020 (or 489018 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1322422012 is about 36365.1208165187. The cubic root of 1322422012 is about 1097.6318231455.

Adding to 1322422012 its reverse (2102242231), we get a palindrome (3424664243).

The spelling of 1322422012 in words is "one billion, three hundred twenty-two million, four hundred twenty-two thousand, twelve".