2012222201 has 4 divisors (see below), whose sum is σ = 2195151504. Its totient is φ = 1829292900.

The previous prime is 2012222197. The next prime is 2012222239. The reversal of 2012222201 is 1022222102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012222201 - 2² = 2012222197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012222801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91464635 + ... + 91464656.

It is an arithmetic number, because the mean of its divisors is an integer number (548787876).

Almost surely, 2^2012222201 is an apocalyptic number.

It is an amenable number.

2012222201 is a deficient number, since it is larger than the sum of its proper divisors (182929303).

2012222201 is a wasteful number, since it uses less digits than its factorization.

2012222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182929302.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2012222201 is about 44857.7997788567. The cubic root of 2012222201 is about 1262.4823409091.

Adding to 2012222201 its reverse (1022222102), we get a palindrome (3034444303).

Subtracting from 2012222201 its reverse (1022222102), we obtain a palindrome (990000099).

It can be divided in two parts, 20 and 12222201, that added together give a palindrome (12222221).

The spelling of 2012222201 in words is "two billion, twelve million, two hundred twenty-two thousand, two hundred one".