22440240441 has 12 divisors (see below), whose sum is σ = 32423911780. Its totient is φ = 14955438240.

The previous prime is 22440240419. The next prime is 22440240461. The reversal of 22440240441 is 14404204422.

It can be written as a sum of positive squares in 2 ways, for example, as 4902800400 + 17537440041 = 70020^2 + 132429^2 .

It is not a de Polignac number, because 22440240441 - 2¹¹ = 22440238393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22440240461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363286 + ... + 420543.

Almost surely, 2^22440240441 is an apocalyptic number.

It is an amenable number.

22440240441 is a deficient number, since it is larger than the sum of its proper divisors (9983671339).

22440240441 is a wasteful number, since it uses less digits than its factorization.

22440240441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787016 (or 787013 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 22440240441 its reverse (14404204422), we get a palindrome (36844444863).

The spelling of 22440240441 in words is "twenty-two billion, four hundred forty million, two hundred forty thousand, four hundred forty-one".