21710046022 has 8 divisors (see below), whose sum is σ = 37217221776. Its totient is φ = 9304305432.

The previous prime is 21710045999. The next prime is 21710046023. The reversal of 21710046022 is 22064001712.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21710046023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775358773 + ... + 775358800.

It is an arithmetic number, because the mean of its divisors is an integer number (4652152722).

Almost surely, 2^21710046022 is an apocalyptic number.

21710046022 is a deficient number, since it is larger than the sum of its proper divisors (15507175754).

21710046022 is a wasteful number, since it uses less digits than its factorization.

21710046022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550717582.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 21710046022 its reverse (22064001712), we get a palindrome (43774047734).

The spelling of 21710046022 in words is "twenty-one billion, seven hundred ten million, forty-six thousand, twenty-two".