22021212022 has 16 divisors (see below), whose sum is σ = 33741545472. Its totient is φ = 10774126440.

The previous prime is 22021212011. The next prime is 22021212113.

22021212022 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22021211987 and 22021212005.

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, 495997 + ... + 538567.

It is an arithmetic number, because the mean of its divisors is an integer number (2108846592).

Almost surely, 2^22021212022 is an apocalyptic number.

22021212022 is a deficient number, since it is larger than the sum of its proper divisors (11720333450).

22021212022 is a wasteful number, since it uses less digits than its factorization.

22021212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48123.

The product of its (nonzero) digits is 128, while the sum is 16.

The spelling of 22021212022 in words is "twenty-two billion, twenty-one million, two hundred twelve thousand, twenty-two".