2022222222 has 24 divisors (see below), whose sum is σ = 4430715120. Its totient is φ = 666499680.

The previous prime is 2022222221. The next prime is 2022222239. The reversal of 2022222222 is 2222222202.

It is a Harshad number since it is a multiple of its sum of digits (18).

2022222222 is a modest number, since divided by 22222 gives 20222 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2022222195 and 2022222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022222221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629554 + ... + 632757.

It is an arithmetic number, because the mean of its divisors is an integer number (184613130).

Almost surely, 2^2022222222 is an apocalyptic number.

2022222222 is an abundant number, since it is smaller than the sum of its proper divisors (2408492898).

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

2022222222 is a wasteful number, since it uses less digits than its factorization.

2022222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262408 (or 1262405 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2022222222 is about 44969.1252083026. The cubic root of 2022222222 is about 1264.5702471403.

Adding to 2022222222 its reverse (2222222202), we get a palindrome (4244444424).

It can be divided in two parts, 202 and 2222222, that multiplied together give a palindrome (448888844).

The spelling of 2022222222 in words is "two billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".