22245331765 has 8 divisors (see below), whose sum is σ = 28099366560. Its totient is φ = 16859619792.

The previous prime is 22245331753. The next prime is 22245331781. The reversal of 22245331765 is 56713354222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22245331765 - 2¹⁷ = 22245200693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117080599 + ... + 117080788.

It is an arithmetic number, because the mean of its divisors is an integer number (3512420820).

Almost surely, 2^22245331765 is an apocalyptic number.

It is an amenable number.

22245331765 is a deficient number, since it is larger than the sum of its proper divisors (5854034795).

22245331765 is a wasteful number, since it uses less digits than its factorization.

22245331765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234161411.

The product of its digits is 302400, while the sum is 40.

Adding to 22245331765 its reverse (56713354222), we get a palindrome (78958685987).

The spelling of 22245331765 in words is "twenty-two billion, two hundred forty-five million, three hundred thirty-one thousand, seven hundred sixty-five".