1222422201 has 96 divisors (see below), whose sum is σ = 2422038528. Its totient is φ = 573505920.

The previous prime is 1222422199. The next prime is 1222422211. The reversal of 1222422201 is 1022242221.

1222422201 is a `hidden beast` number, since 1 + 222 + 422 + 20 + 1 = 666.

It is not a de Polignac number, because 1222422201 - 2¹ = 1222422199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222422211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 421980 + ... + 424866.

It is an arithmetic number, because the mean of its divisors is an integer number (25229568).

Almost surely, 2^1222422201 is an apocalyptic number.

1222422201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222422201 is a deficient number, since it is larger than the sum of its proper divisors (1199616327).

1222422201 is a wasteful number, since it uses less digits than its factorization.

1222422201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1222422201 is about 34963.1549062724. The cubic root of 1222422201 is about 1069.2364194363.

Adding to 1222422201 its reverse (1022242221), we get a palindrome (2244664422).

It can be divided in two parts, 122242220 and 1, that added together give a palindrome (122242221).

The spelling of 1222422201 in words is "one billion, two hundred twenty-two million, four hundred twenty-two thousand, two hundred one".