22440340441 has 4 divisors (see below), whose sum is σ = 22440935952. Its totient is φ = 22439744932.

The previous prime is 22440340421. The next prime is 22440340451. The reversal of 22440340441 is 14404304422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22440340441 - 2⁵ = 22440340409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22440340411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237115 + ... + 317968.

It is an arithmetic number, because the mean of its divisors is an integer number (5610233988).

Almost surely, 2^22440340441 is an apocalyptic number.

It is an amenable number.

22440340441 is a deficient number, since it is larger than the sum of its proper divisors (595511).

22440340441 is an equidigital number, since it uses as much as digits as its factorization.

22440340441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595510.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22440340441 its reverse (14404304422), we get a palindrome (36844644863).

The spelling of 22440340441 in words is "twenty-two billion, four hundred forty million, three hundred forty thousand, four hundred forty-one".