22444404413 has 4 divisors (see below), whose sum is σ = 22714819008. Its totient is φ = 22173989820.

The previous prime is 22444404407. The next prime is 22444404427. The reversal of 22444404413 is 31440444422.

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 22444404413 - 2²² = 22440210109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22444404413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444404473) 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, 135207173 + ... + 135207338.

It is an arithmetic number, because the mean of its divisors is an integer number (5678704752).

Almost surely, 2^22444404413 is an apocalyptic number.

It is an amenable number.

22444404413 is a deficient number, since it is larger than the sum of its proper divisors (270414595).

22444404413 is an equidigital number, since it uses as much as digits as its factorization.

22444404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270414594.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 22444404413 its reverse (31440444422), we get a palindrome (53884848835).

The spelling of 22444404413 in words is "twenty-two billion, four hundred forty-four million, four hundred four thousand, four hundred thirteen".