22164721246 has 8 divisors (see below), whose sum is σ = 33792116184. Its totient is φ = 10900682520.

The previous prime is 22164721231. The next prime is 22164721253. The reversal of 22164721246 is 64212746122.

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

It is a congruent number.

It is an unprimeable number.

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, 90838900 + ... + 90839143.

It is an arithmetic number, because the mean of its divisors is an integer number (4224014523).

Almost surely, 2^22164721246 is an apocalyptic number.

22164721246 is a deficient number, since it is larger than the sum of its proper divisors (11627394938).

22164721246 is a wasteful number, since it uses less digits than its factorization.

22164721246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181678106.

The product of its digits is 64512, while the sum is 37.

The spelling of 22164721246 in words is "twenty-two billion, one hundred sixty-four million, seven hundred twenty-one thousand, two hundred forty-six".