21310222022 has 8 divisors (see below), whose sum is σ = 32489355072. Its totient is φ = 10480437000.

The previous prime is 21310222019. The next prime is 21310222079. The reversal of 21310222022 is 22022201312.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87336854 + ... + 87337097.

It is an arithmetic number, because the mean of its divisors is an integer number (4061169384).

Almost surely, 2^21310222022 is an apocalyptic number.

21310222022 is a deficient number, since it is larger than the sum of its proper divisors (11179133050).

21310222022 is a wasteful number, since it uses less digits than its factorization.

21310222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174674014.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21310222022 its reverse (22022201312), we get a palindrome (43332423334).

The spelling of 21310222022 in words is "twenty-one billion, three hundred ten million, two hundred twenty-two thousand, twenty-two".