22246817104509 has 4 divisors (see below), whose sum is σ = 29662422806016. Its totient is φ = 14831211403004.

The previous prime is 22246817104507. The next prime is 22246817104541. The reversal of 22246817104509 is 90540171864222.

It is a happy number.

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 22246817104509 - 2¹ = 22246817104507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22246817104507) 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, 3707802850749 + ... + 3707802850754.

It is an arithmetic number, because the mean of its divisors is an integer number (7415605701504).

Almost surely, 2^{22246817104509} is an apocalyptic number.

It is an amenable number.

22246817104509 is a deficient number, since it is larger than the sum of its proper divisors (7415605701507).

22246817104509 is an equidigital number, since it uses as much as digits as its factorization.

22246817104509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415605701506.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 22246817104509 in words is "twenty-two trillion, two hundred forty-six billion, eight hundred seventeen million, one hundred four thousand, five hundred nine".