21343634222 has 8 divisors (see below), whose sum is σ = 32309171400. Its totient is φ = 10573910424.

The previous prime is 21343634203. The next prime is 21343634243. The reversal of 21343634222 is 22243634312.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48953072 + ... + 48953507.

It is an arithmetic number, because the mean of its divisors is an integer number (4038646425).

Almost surely, 2^21343634222 is an apocalyptic number.

21343634222 is a deficient number, since it is larger than the sum of its proper divisors (10965537178).

21343634222 is a wasteful number, since it uses less digits than its factorization.

21343634222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97906690.

The product of its digits is 41472, while the sum is 32.

The spelling of 21343634222 in words is "twenty-one billion, three hundred forty-three million, six hundred thirty-four thousand, two hundred twenty-two".