21822022317 has 16 divisors (see below), whose sum is σ = 30788702208. Its totient is φ = 13719496560.

The previous prime is 21822022303. The next prime is 21822022351. The reversal of 21822022317 is 71322022812.

It is not a de Polignac number, because 21822022317 - 2⁴ = 21822022301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21822022357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222293 + ... + 2232090.

It is an arithmetic number, because the mean of its divisors is an integer number (1924293888).

Almost surely, 2^21822022317 is an apocalyptic number.

It is an amenable number.

21822022317 is a deficient number, since it is larger than the sum of its proper divisors (8966679891).

21822022317 is a wasteful number, since it uses less digits than its factorization.

21822022317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454480.

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 21822022317 in words is "twenty-one billion, eight hundred twenty-two million, twenty-two thousand, three hundred seventeen".