21330022022 has 8 divisors (see below), whose sum is σ = 33678982200. Its totient is φ = 10103694624.

The previous prime is 21330022013. The next prime is 21330022031. The reversal of 21330022022 is 22022003312.

It is an interprime number because it is at equal distance from previous prime (21330022013) and next prime (21330022031).

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, 280658147 + ... + 280658222.

It is an arithmetic number, because the mean of its divisors is an integer number (4209872775).

Almost surely, 2^21330022022 is an apocalyptic number.

21330022022 is a deficient number, since it is larger than the sum of its proper divisors (12348960178).

21330022022 is a wasteful number, since it uses less digits than its factorization.

21330022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561316390.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21330022022 its reverse (22022003312), we get a palindrome (43352025334).

The spelling of 21330022022 in words is "twenty-one billion, three hundred thirty million, twenty-two thousand, twenty-two".