22040340207 has 4 divisors (see below), whose sum is σ = 29387120280. Its totient is φ = 14693560136.

The previous prime is 22040340191. The next prime is 22040340209. The reversal of 22040340207 is 70204304022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22040340207 - 2⁴ = 22040340191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040340209) 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, 3673390032 + ... + 3673390037.

It is an arithmetic number, because the mean of its divisors is an integer number (7346780070).

Almost surely, 2^22040340207 is an apocalyptic number.

22040340207 is a deficient number, since it is larger than the sum of its proper divisors (7346780073).

22040340207 is an equidigital number, since it uses as much as digits as its factorization.

22040340207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346780072.

The product of its (nonzero) digits is 2688, while the sum is 24.

Adding to 22040340207 its reverse (70204304022), we get a palindrome (92244644229).

The spelling of 22040340207 in words is "twenty-two billion, forty million, three hundred forty thousand, two hundred seven".