222202122 has 16 divisors (see below), whose sum is σ = 449759520. Its totient is φ = 73174832.

The previous prime is 222202111. The next prime is 222202133. The reversal of 222202122 is 221202222.

It is an interprime number because it is at equal distance from previous prime (222202111) and next prime (222202133).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222597 + ... + 223592.

It is an arithmetic number, because the mean of its divisors is an integer number (28109970).

Almost surely, 2^222202122 is an apocalyptic number.

222202122 is an abundant number, since it is smaller than the sum of its proper divisors (227557398).

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

222202122 is a wasteful number, since it uses less digits than its factorization.

222202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446277.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 222202122 is about 14906.4456528040. The cubic root of 222202122 is about 605.6886014629.

Adding to 222202122 its reverse (221202222), we get a palindrome (443404344).

It can be divided in two parts, 22220 and 2122, that added together give a palindrome (24342).

The spelling of 222202122 in words is "two hundred twenty-two million, two hundred two thousand, one hundred twenty-two".