21033222022 has 16 divisors (see below), whose sum is σ = 34056793440. Its totient is φ = 9712491712.

The previous prime is 21033221929. The next prime is 21033222031. The reversal of 21033222022 is 22022233012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7882183 + ... + 7884850.

It is an arithmetic number, because the mean of its divisors is an integer number (2128549590).

Almost surely, 2^21033222022 is an apocalyptic number.

21033222022 is a deficient number, since it is larger than the sum of its proper divisors (13023571418).

21033222022 is a wasteful number, since it uses less digits than its factorization.

21033222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15767087.

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

Adding to 21033222022 its reverse (22022233012), we get a palindrome (43055455034).

The spelling of 21033222022 in words is "twenty-one billion, thirty-three million, two hundred twenty-two thousand, twenty-two".