22021612022 has 4 divisors (see below), whose sum is σ = 33032418036. Its totient is φ = 11010806010.

The previous prime is 22021611991. The next prime is 22021612037.

22021612022 is nontrivially palindromic in base 10.

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 = 22021611985 and 22021612003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505403004 + ... + 5505403007.

It is an arithmetic number, because the mean of its divisors is an integer number (8258104509).

Almost surely, 2^22021612022 is an apocalyptic number.

22021612022 is a deficient number, since it is larger than the sum of its proper divisors (11010806014).

22021612022 is a wasteful number, since it uses less digits than its factorization.

22021612022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010806013.

The product of its (nonzero) digits is 384, while the sum is 20.

The spelling of 22021612022 in words is "twenty-two billion, twenty-one million, six hundred twelve thousand, twenty-two".