222222022 has 16 divisors (see below), whose sum is σ = 372094272. Its totient is φ = 98660520.

The previous prime is 222221971. The next prime is 222222029. The reversal of 222222022 is 220222222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222221987 and 222222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116508 + ... + 118399.

It is an arithmetic number, because the mean of its divisors is an integer number (23255892).

Almost surely, 2^222222022 is an apocalyptic number.

222222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222222022 is a deficient number, since it is larger than the sum of its proper divisors (149872250).

222222022 is a wasteful number, since it uses less digits than its factorization.

222222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234963.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 222222022 is about 14907.1131343396. The cubic root of 222222022 is about 605.7066823634.

Adding to 222222022 its reverse (220222222), we get a palindrome (442444244).

The spelling of 222222022 in words is "two hundred twenty-two million, two hundred twenty-two thousand, twenty-two".