1022202218 has 16 divisors (see below), whose sum is σ = 1549723560. Its totient is φ = 505642176.

The previous prime is 1022202211. The next prime is 1022202239. The reversal of 1022202218 is 8122022201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 920333569 + 101868649 = 30337^2 + 10093^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1022202218.

It is not an unprimeable number, because it can be changed into a prime (1022202211) 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, 156596 + ... + 162992.

Almost surely, 2^1022202218 is an apocalyptic number.

1022202218 is a deficient number, since it is larger than the sum of its proper divisors (527521342).

1022202218 is a wasteful number, since it uses less digits than its factorization.

1022202218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1022202218 is about 31971.8973162370. The cubic root of 1022202218 is about 1007.3466341270.

Adding to 1022202218 its reverse (8122022201), we get a palindrome (9144224419).

The spelling of 1022202218 in words is "one billion, twenty-two million, two hundred two thousand, two hundred eighteen".