22021100022 has 8 divisors (see below), whose sum is σ = 44042200056. Its totient is φ = 7340366672.

The previous prime is 22021099963. The next prime is 22021100053. The reversal of 22021100022 is 22000112022.

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

22021100022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22021099980 and 22021100007.

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, 1835091663 + ... + 1835091674.

It is an arithmetic number, because the mean of its divisors is an integer number (5505275007).

Almost surely, 2^22021100022 is an apocalyptic number.

22021100022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22021100022 is a wasteful number, since it uses less digits than its factorization.

22021100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670183342.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22021100022 its reverse (22000112022), we get a palindrome (44021212044).

The spelling of 22021100022 in words is "twenty-two billion, twenty-one million, one hundred thousand, twenty-two".