22210022 has 4 divisors (see below), whose sum is σ = 33315036. Its totient is φ = 11105010.

The previous prime is 22209997. The next prime is 22210033. The reversal of 22210022 is 22001222.

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 = 22209985 and 22210012.

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, 5552504 + ... + 5552507.

It is an arithmetic number, because the mean of its divisors is an integer number (8328759).

Almost surely, 2^22210022 is an apocalyptic number.

22210022 is a deficient number, since it is larger than the sum of its proper divisors (11105014).

22210022 is a wasteful number, since it uses less digits than its factorization.

22210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105013.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22210022 is about 4712.7510012730. The cubic root of 22210022 is about 281.0927620191.

Adding to 22210022 its reverse (22001222), we get a palindrome (44211244).

The spelling of 22210022 in words is "twenty-two million, two hundred ten thousand, twenty-two".