1222002201 has 16 divisors (see below), whose sum is σ = 1862953344. Its totient is φ = 697966464.

The previous prime is 1222002181. The next prime is 1222002241. The reversal of 1222002201 is 1022002221.

It is not a de Polignac number, because 1222002201 - 2⁶ = 1222002137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222002241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38095 + ... + 62411.

It is an arithmetic number, because the mean of its divisors is an integer number (116434584).

Almost surely, 2^1222002201 is an apocalyptic number.

It is an amenable number.

1222002201 is a deficient number, since it is larger than the sum of its proper divisors (640951143).

1222002201 is a wasteful number, since it uses less digits than its factorization.

1222002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26720.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1222002201 is about 34957.1480673124. The cubic root of 1222002201 is about 1069.1139492736.

Adding to 1222002201 its reverse (1022002221), we get a palindrome (2244004422).

The spelling of 1222002201 in words is "one billion, two hundred twenty-two million, two thousand, two hundred one".