1222241444 has 6 divisors (see below), whose sum is σ = 2138922534. Its totient is φ = 611120720.

The previous prime is 1222241441. The next prime is 1222241467. The reversal of 1222241444 is 4441422221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1013785600 + 208455844 = 31840^2 + 14438^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1222241441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152780177 + ... + 152780184.

It is an arithmetic number, because the mean of its divisors is an integer number (356487089).

Almost surely, 2^1222241444 is an apocalyptic number.

It is an amenable number.

1222241444 is a deficient number, since it is larger than the sum of its proper divisors (916681090).

1222241444 is a wasteful number, since it uses less digits than its factorization.

1222241444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305560365 (or 305560363 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 1222241444 is about 34960.5698466143. The cubic root of 1222241444 is about 1069.1837149249.

Adding to 1222241444 its reverse (4441422221), we get a palindrome (5663663665).

The spelling of 1222241444 in words is "one billion, two hundred twenty-two million, two hundred forty-one thousand, four hundred forty-four".