22142431230109 has 4 divisors (see below), whose sum is σ = 22193568485116. Its totient is φ = 22091293975104.

The previous prime is 22142431230079. The next prime is 22142431230149. The reversal of 22142431230109 is 90103213424122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11695818607225 + 10446612622884 = 3419915^2 + 3232122^2 .

It is a cyclic number.

It is not a de Polignac number, because 22142431230109 - 2⁷ = 22142431229981 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 (22142431230149) 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, 25568626854 + ... + 25568627719.

It is an arithmetic number, because the mean of its divisors is an integer number (5548392121279).

Almost surely, 2^{22142431230109} is an apocalyptic number.

It is an amenable number.

22142431230109 is a deficient number, since it is larger than the sum of its proper divisors (51137255007).

22142431230109 is an equidigital number, since it uses as much as digits as its factorization.

22142431230109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51137255006.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 22142431230109 in words is "twenty-two trillion, one hundred forty-two billion, four hundred thirty-one million, two hundred thirty thousand, one hundred nine".