189218214422 has 4 divisors (see below), whose sum is σ = 283827321636. Its totient is φ = 94609107210.

The previous prime is 189218214403. The next prime is 189218214443. The reversal of 189218214422 is 224412812981.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47304553604 + ... + 47304553607.

It is an arithmetic number, because the mean of its divisors is an integer number (70956830409).

Almost surely, 2^189218214422 is an apocalyptic number.

189218214422 is a deficient number, since it is larger than the sum of its proper divisors (94609107214).

189218214422 is an equidigital number, since it uses as much as digits as its factorization.

189218214422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94609107213.

The product of its digits is 147456, while the sum is 44.

The spelling of 189218214422 in words is "one hundred eighty-nine billion, two hundred eighteen million, two hundred fourteen thousand, four hundred twenty-two".