21023322022 has 8 divisors (see below), whose sum is σ = 31535703000. Its totient is φ = 10511421024.

The previous prime is 21023322013. The next prime is 21023322053. The reversal of 21023322022 is 22022332012.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24129 + ... + 206467.

It is an arithmetic number, because the mean of its divisors is an integer number (3941962875).

Almost surely, 2^21023322022 is an apocalyptic number.

21023322022 is a deficient number, since it is larger than the sum of its proper divisors (10512380978).

21023322022 is a wasteful number, since it uses less digits than its factorization.

21023322022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239990.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21023322022 its reverse (22022332012), we get a palindrome (43045654034).

The spelling of 21023322022 in words is "twenty-one billion, twenty-three million, three hundred twenty-two thousand, twenty-two".