22109901623 has 8 divisors (see below), whose sum is σ = 22847255040. Its totient is φ = 21374056440.

The previous prime is 22109901557. The next prime is 22109901659. The reversal of 22109901623 is 32610990122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22109901623 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 (22109901673) 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 7 ways as a sum of consecutive naturals, for example, 347213 + ... + 405926.

It is an arithmetic number, because the mean of its divisors is an integer number (2855906880).

Almost surely, 2^22109901623 is an apocalyptic number.

22109901623 is a deficient number, since it is larger than the sum of its proper divisors (737353417).

22109901623 is an equidigital number, since it uses as much as digits as its factorization.

22109901623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754117.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 22109901623 in words is "twenty-two billion, one hundred nine million, nine hundred one thousand, six hundred twenty-three".