2222122001 has 4 divisors (see below), whose sum is σ = 2424133104. Its totient is φ = 2020110900.

The previous prime is 2222121997. The next prime is 2222122027. The reversal of 2222122001 is 1002212222.

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 2222122001 - 2² = 2222121997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222122031) 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, 101005535 + ... + 101005556.

It is an arithmetic number, because the mean of its divisors is an integer number (606033276).

Almost surely, 2^2222122001 is an apocalyptic number.

It is an amenable number.

2222122001 is a deficient number, since it is larger than the sum of its proper divisors (202011103).

2222122001 is a wasteful number, since it uses less digits than its factorization.

2222122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202011102.

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

The square root of 2222122001 is about 47139.3890605298. The cubic root of 2222122001 is about 1304.9362624537.

Adding to 2222122001 its reverse (1002212222), we get a palindrome (3224334223).

The spelling of 2222122001 in words is "two billion, two hundred twenty-two million, one hundred twenty-two thousand, one".