222244031441 has 4 divisors (see below), whose sum is σ = 222245302452. Its totient is φ = 222242760432.

The previous prime is 222244031417. The next prime is 222244031473. The reversal of 222244031441 is 144130442222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145180050625 + 77063980816 = 381025^2 + 277604^2 .

It is a cyclic number.

It is not a de Polignac number, because 222244031441 - 2¹⁰ = 222244030417 is a prime.

It is a super-2 number, since 2×222244031441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222244031741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321506 + ... + 740171.

It is an arithmetic number, because the mean of its divisors is an integer number (55561325613).

Almost surely, 2^222244031441 is an apocalyptic number.

It is an amenable number.

222244031441 is a deficient number, since it is larger than the sum of its proper divisors (1271011).

222244031441 is a wasteful number, since it uses less digits than its factorization.

222244031441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271010.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 222244031441 its reverse (144130442222), we get a palindrome (366374473663).

The spelling of 222244031441 in words is "two hundred twenty-two billion, two hundred forty-four million, thirty-one thousand, four hundred forty-one".