22021002022 has 8 divisors (see below), whose sum is σ = 33068998872. Its totient is φ = 10998002400.

The previous prime is 22021002001. The next prime is 22021002077. The reversal of 22021002022 is 22020012022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22021001993 and 22021002011.

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, 6247104 + ... + 6250627.

It is an arithmetic number, because the mean of its divisors is an integer number (4133624859).

Almost surely, 2^22021002022 is an apocalyptic number.

22021002022 is a deficient number, since it is larger than the sum of its proper divisors (11047996850).

22021002022 is a wasteful number, since it uses less digits than its factorization.

22021002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12498614.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22021002022 its reverse (22020012022), we get a palindrome (44041014044).

The spelling of 22021002022 in words is "twenty-two billion, twenty-one million, two thousand, twenty-two".