22690044623 has 4 divisors (see below), whose sum is σ = 22898210280. Its totient is φ = 22481878968.

The previous prime is 22690044577. The next prime is 22690044631. The reversal of 22690044623 is 32644009622.

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 22690044623 - 2¹⁶ = 22689979087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22690040623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104082665 + ... + 104082882.

It is an arithmetic number, because the mean of its divisors is an integer number (5724552570).

Almost surely, 2^22690044623 is an apocalyptic number.

22690044623 is a deficient number, since it is larger than the sum of its proper divisors (208165657).

22690044623 is a wasteful number, since it uses less digits than its factorization.

22690044623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208165656.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 22690044623 in words is "twenty-two billion, six hundred ninety million, forty-four thousand, six hundred twenty-three".