1222401444 has 48 divisors (see below), whose sum is σ = 3150981120. Its totient is φ = 365732640.

The previous prime is 1222401443. The next prime is 1222401451. The reversal of 1222401444 is 4441042221.

It is not an unprimeable number, because it can be changed into a prime (1222401443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48184 + ... + 69039.

It is an arithmetic number, because the mean of its divisors is an integer number (65645440).

Almost surely, 2^1222401444 is an apocalyptic number.

It is an amenable number.

1222401444 is an abundant number, since it is smaller than the sum of its proper divisors (1928579676).

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

1222401444 is a wasteful number, since it uses less digits than its factorization.

1222401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117320 (or 117318 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1222401444 is about 34962.8580639512. The cubic root of 1222401444 is about 1069.2303674449.

Adding to 1222401444 its reverse (4441042221), we get a palindrome (5663443665).

The spelling of 1222401444 in words is "one billion, two hundred twenty-two million, four hundred one thousand, four hundred forty-four".