22100885427 has 4 divisors (see below), whose sum is σ = 29467847240. Its totient is φ = 14733923616.

The previous prime is 22100885423. The next prime is 22100885489. The reversal of 22100885427 is 72458800122.

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

It is not a de Polignac number, because 22100885427 - 2² = 22100885423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100885423) 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, 3683480902 + ... + 3683480907.

It is an arithmetic number, because the mean of its divisors is an integer number (7366961810).

Almost surely, 2^22100885427 is an apocalyptic number.

22100885427 is a deficient number, since it is larger than the sum of its proper divisors (7366961813).

22100885427 is an equidigital number, since it uses as much as digits as its factorization.

22100885427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366961812.

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 22100885427 in words is "twenty-two billion, one hundred million, eight hundred eighty-five thousand, four hundred twenty-seven".