21022314422 has 8 divisors (see below), whose sum is σ = 31564420200. Its totient is φ = 10500841024.

The previous prime is 21022314413. The next prime is 21022314431. The reversal of 21022314422 is 22441322012.

It is an interprime number because it is at equal distance from previous prime (21022314413) and next prime (21022314431).

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, 5155547 + ... + 5159622.

It is an arithmetic number, because the mean of its divisors is an integer number (3945552525).

Almost surely, 2^21022314422 is an apocalyptic number.

21022314422 is a deficient number, since it is larger than the sum of its proper divisors (10542105778).

21022314422 is a wasteful number, since it uses less digits than its factorization.

21022314422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10316190.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 21022314422 its reverse (22441322012), we get a palindrome (43463636434).

The spelling of 21022314422 in words is "twenty-one billion, twenty-two million, three hundred fourteen thousand, four hundred twenty-two".