1322122444 has 12 divisors (see below), whose sum is σ = 2320582264. Its totient is φ = 659098944.

The previous prime is 1322122393. The next prime is 1322122507. The reversal of 1322122444 is 4442212231.

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, 489054 + ... + 491749.

Almost surely, 2^1322122444 is an apocalyptic number.

It is an amenable number.

1322122444 is a deficient number, since it is larger than the sum of its proper divisors (998459820).

1322122444 is a wasteful number, since it uses less digits than its factorization.

1322122444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981144 (or 981142 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 1322122444 is about 36361.0016913726. The cubic root of 1322122444 is about 1097.5489347788.

Adding to 1322122444 its reverse (4442212231), we get a palindrome (5764334675).

The spelling of 1322122444 in words is "one billion, three hundred twenty-two million, one hundred twenty-two thousand, four hundred forty-four".