1222442044 has 12 divisors (see below), whose sum is σ = 2159267544. Its totient is φ = 605508464.

The previous prime is 1222441999. The next prime is 1222442051. The reversal of 1222442044 is 4402442221.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1427659 + ... + 1428514.

It is an arithmetic number, because the mean of its divisors is an integer number (179938962).

Almost surely, 2^1222442044 is an apocalyptic number.

It is an amenable number.

1222442044 is a deficient number, since it is larger than the sum of its proper divisors (936825500).

1222442044 is a wasteful number, since it uses less digits than its factorization.

1222442044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856284 (or 2856282 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1222442044 is about 34963.4386752791. The cubic root of 1222442044 is about 1069.2422048742.

Adding to 1222442044 its reverse (4402442221), we get a palindrome (5624884265).

The spelling of 1222442044 in words is "one billion, two hundred twenty-two million, four hundred forty-two thousand, forty-four".