1222112201 has 8 divisors (see below), whose sum is σ = 1306566144. Its totient is φ = 1139054400.

The previous prime is 1222112197. The next prime is 1222112207. The reversal of 1222112201 is 1022112221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222112201 - 2² = 1222112197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222112207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347225 + ... + 350726.

It is an arithmetic number, because the mean of its divisors is an integer number (163320768).

Almost surely, 2^1222112201 is an apocalyptic number.

It is an amenable number.

1222112201 is a deficient number, since it is larger than the sum of its proper divisors (84453943).

1222112201 is a wasteful number, since it uses less digits than its factorization.

1222112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698071.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1222112201 is about 34958.7213868013. The cubic root of 1222112201 is about 1069.1460275044.

Adding to 1222112201 its reverse (1022112221), we get a palindrome (2244224422).

The spelling of 1222112201 in words is "one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred one".