22122222201 has 32 divisors (see below), whose sum is σ = 33844976640. Its totient is φ = 14266454400.

The previous prime is 22122222197. The next prime is 22122222229. The reversal of 22122222201 is 10222222122.

22122222201 is a `hidden beast` number, since 221 + 2 + 222 + 220 + 1 = 666.

It is not a de Polignac number, because 22122222201 - 2² = 22122222197 is a prime.

It is a super-2 number, since 2×22122222201² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22122222301) 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 31 ways as a sum of consecutive naturals, for example, 2953381 + ... + 2960861.

It is an arithmetic number, because the mean of its divisors is an integer number (1057655520).

Almost surely, 2^22122222201 is an apocalyptic number.

It is an amenable number.

22122222201 is a deficient number, since it is larger than the sum of its proper divisors (11722754439).

22122222201 is a wasteful number, since it uses less digits than its factorization.

22122222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054 (or 11048 counting only the distinct ones).

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

Adding to 22122222201 its reverse (10222222122), we get a palindrome (32344444323).

The spelling of 22122222201 in words is "twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".