22190431859 has 4 divisors (see below), whose sum is σ = 22262713704. Its totient is φ = 22118150016.

The previous prime is 22190431843. The next prime is 22190431867. The reversal of 22190431859 is 95813409122.

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 22190431859 - 2⁴ = 22190431843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22190431889) 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, 36140462 + ... + 36141075.

It is an arithmetic number, because the mean of its divisors is an integer number (5565678426).

Almost surely, 2^22190431859 is an apocalyptic number.

22190431859 is a deficient number, since it is larger than the sum of its proper divisors (72281845).

22190431859 is an equidigital number, since it uses as much as digits as its factorization.

22190431859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72281844.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 22190431859 in words is "twenty-two billion, one hundred ninety million, four hundred thirty-one thousand, eight hundred fifty-nine".