22441231144 has 16 divisors (see below), whose sum is σ = 42087551220. Its totient is φ = 11217884160.

The previous prime is 22441231139. The next prime is 22441231147. The reversal of 22441231144 is 44113214422.

It can be written as a sum of positive squares in 2 ways, for example, as 21833608644 + 607622500 = 147762^2 + 24650^2 .

It is not an unprimeable number, because it can be changed into a prime (22441231147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306297 + ... + 372424.

Almost surely, 2^22441231144 is an apocalyptic number.

It is an amenable number.

22441231144 is a deficient number, since it is larger than the sum of its proper divisors (19646320076).

22441231144 is a wasteful number, since it uses less digits than its factorization.

22441231144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682860 (or 682856 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 22441231144 its reverse (44113214422), we get a palindrome (66554445566).

The spelling of 22441231144 in words is "twenty-two billion, four hundred forty-one million, two hundred thirty-one thousand, one hundred forty-four".