22641441773 has 4 divisors (see below), whose sum is σ = 22791385248. Its totient is φ = 22491498300.

The previous prime is 22641441761. The next prime is 22641441787. The reversal of 22641441773 is 37714414622.

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 22641441773 - 2²⁶ = 22574332909 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 22641441773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641441743) 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, 74971511 + ... + 74971812.

It is an arithmetic number, because the mean of its divisors is an integer number (5697846312).

Almost surely, 2^22641441773 is an apocalyptic number.

It is an amenable number.

22641441773 is a deficient number, since it is larger than the sum of its proper divisors (149943475).

22641441773 is a wasteful number, since it uses less digits than its factorization.

22641441773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149943474.

The product of its digits is 225792, while the sum is 41.

The spelling of 22641441773 in words is "twenty-two billion, six hundred forty-one million, four hundred forty-one thousand, seven hundred seventy-three".