21722652395 has 8 divisors (see below), whose sum is σ = 26121605760. Its totient is φ = 17341840000.

The previous prime is 21722652361. The next prime is 21722652433. The reversal of 21722652395 is 59325622712.

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

It is not a de Polignac number, because 21722652395 - 2¹⁰ = 21722651371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4532606 + ... + 4537395.

It is an arithmetic number, because the mean of its divisors is an integer number (3265200720).

Almost surely, 2^21722652395 is an apocalyptic number.

21722652395 is a deficient number, since it is larger than the sum of its proper divisors (4398953365).

21722652395 is an equidigital number, since it uses as much as digits as its factorization.

21722652395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9070485.

The product of its digits is 453600, while the sum is 44.

The spelling of 21722652395 in words is "twenty-one billion, seven hundred twenty-two million, six hundred fifty-two thousand, three hundred ninety-five".