22202022 has 16 divisors (see below), whose sum is σ = 44844912. Its totient is φ = 7327200.

The previous prime is 22202021. The next prime is 22202027. The reversal of 22202022 is 22020222.

It is a junction number, because it is equal to n+sod(n) for n = 22201989 and 22202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17713 + ... + 18924.

It is an arithmetic number, because the mean of its divisors is an integer number (2802807).

Almost surely, 2^22202022 is an apocalyptic number.

22202022 is an abundant number, since it is smaller than the sum of its proper divisors (22642890).

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

22202022 is a wasteful number, since it uses less digits than its factorization.

22202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36743.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 22202022 is about 4711.9021636702. The cubic root of 22202022 is about 281.0590083057.

Adding to 22202022 its reverse (22020222), we get a palindrome (44222244).

It can be divided in two parts, 2 and 2202022, that multiplied together give a palindrome (4404044).

The spelling of 22202022 in words is "twenty-two million, two hundred two thousand, twenty-two".