22440012341 has 4 divisors (see below), whose sum is σ = 23213805900. Its totient is φ = 21666218784.

The previous prime is 22440012313. The next prime is 22440012347. The reversal of 22440012341 is 14321004422.

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 3662791441 + 18777220900 = 60521^2 + 137030^2 .

It is a cyclic number.

It is not a de Polignac number, because 22440012341 - 2²⁶ = 22372903477 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 (22440012347) 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, 386896736 + ... + 386896793.

It is an arithmetic number, because the mean of its divisors is an integer number (5803451475).

Almost surely, 2^22440012341 is an apocalyptic number.

It is an amenable number.

22440012341 is a deficient number, since it is larger than the sum of its proper divisors (773793559).

22440012341 is an equidigital number, since it uses as much as digits as its factorization.

22440012341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773793558.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22440012341 its reverse (14321004422), we get a palindrome (36761016763).

The spelling of 22440012341 in words is "twenty-two billion, four hundred forty million, twelve thousand, three hundred forty-one".