1222002122 has 32 divisors (see below), whose sum is σ = 2053871424. Its totient is φ = 540489600.

The previous prime is 1222002107. The next prime is 1222002137. The reversal of 1222002122 is 2212002221.

It is an interprime number because it is at equal distance from previous prime (1222002107) and next prime (1222002137).

It is a junction number, because it is equal to n+sod(n) for n = 1222002097 and 1222002106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263528 + ... + 268124.

It is an arithmetic number, because the mean of its divisors is an integer number (64183482).

Almost surely, 2^1222002122 is an apocalyptic number.

1222002122 is a deficient number, since it is larger than the sum of its proper divisors (831869302).

1222002122 is a wasteful number, since it uses less digits than its factorization.

1222002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1222002122 is about 34957.1469373575. The cubic root of 1222002122 is about 1069.1139262349.

Adding to 1222002122 its reverse (2212002221), we get a palindrome (3434004343).

Subtracting 1222002122 from its reverse (2212002221), we obtain a palindrome (990000099).

The spelling of 1222002122 in words is "one billion, two hundred twenty-two million, two thousand, one hundred twenty-two".