1222113201 has 16 divisors (see below), whose sum is σ = 1657961280. Its totient is φ = 800616960.

The previous prime is 1222113163. The next prime is 1222113203. The reversal of 1222113201 is 1023112221.

It is not a de Polignac number, because 1222113201 - 2¹³ = 1222105009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222113203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29481 + ... + 57561.

It is an arithmetic number, because the mean of its divisors is an integer number (103622580).

Almost surely, 2^1222113201 is an apocalyptic number.

It is an amenable number.

1222113201 is a deficient number, since it is larger than the sum of its proper divisors (435848079).

1222113201 is a wasteful number, since it uses less digits than its factorization.

1222113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28336.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1222113201 is about 34958.7356893810. The cubic root of 1222113201 is about 1069.1463191158.

Adding to 1222113201 its reverse (1023112221), we get a palindrome (2245225422).

The spelling of 1222113201 in words is "one billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred one".