22000020022 has 4 divisors (see below), whose sum is σ = 33000030036. Its totient is φ = 11000010010.

The previous prime is 22000020017. The next prime is 22000020083. The reversal of 22000020022 is 22002000022.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22000019990 and 22000020008.

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 as a sum of consecutive naturals, namely, 5500005004 + ... + 5500005007.

It is an arithmetic number, because the mean of its divisors is an integer number (8250007509).

Almost surely, 2^22000020022 is an apocalyptic number.

22000020022 is a deficient number, since it is larger than the sum of its proper divisors (11000010014).

22000020022 is a wasteful number, since it uses less digits than its factorization.

22000020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000010013.

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22000020022 its reverse (22002000022), we get a palindrome (44002020044).

The spelling of 22000020022 in words is "twenty-two billion, twenty thousand, twenty-two".