22244040541 has 4 divisors (see below), whose sum is σ = 23552513532. Its totient is φ = 20935567552.

The previous prime is 22244040529. The next prime is 22244040569. The reversal of 22244040541 is 14504044222.

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 12016763641 + 10227276900 = 109621^2 + 101130^2 .

It is a cyclic number.

It is not a de Polignac number, because 22244040541 - 2⁵ = 22244040509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244040341) 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, 654236470 + ... + 654236503.

It is an arithmetic number, because the mean of its divisors is an integer number (5888128383).

Almost surely, 2^22244040541 is an apocalyptic number.

It is an amenable number.

22244040541 is a deficient number, since it is larger than the sum of its proper divisors (1308472991).

22244040541 is a wasteful number, since it uses less digits than its factorization.

22244040541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308472990.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 22244040541 its reverse (14504044222), we get a palindrome (36748084763).

The spelling of 22244040541 in words is "twenty-two billion, two hundred forty-four million, forty thousand, five hundred forty-one".