2422121201 has 4 divisors (see below), whose sum is σ = 2425888752. Its totient is φ = 2418353652.

The previous prime is 2422121173. The next prime is 2422121227. The reversal of 2422121201 is 1021212242.

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 2422121201 - 2²² = 2417926897 is a prime.

It is a super-2 number, since 2×2422121201² = 11733342224667364802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2422121201.

It is not an unprimeable number, because it can be changed into a prime (2422121231) 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, 1882811 + ... + 1884096.

It is an arithmetic number, because the mean of its divisors is an integer number (606472188).

Almost surely, 2^2422121201 is an apocalyptic number.

It is an amenable number.

2422121201 is a deficient number, since it is larger than the sum of its proper divisors (3767551).

2422121201 is an equidigital number, since it uses as much as digits as its factorization.

2422121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767550.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2422121201 is about 49215.0505536670. The cubic root of 2422121201 is about 1342.9668430629.

Adding to 2422121201 its reverse (1021212242), we get a palindrome (3443333443).

The spelling of 2422121201 in words is "two billion, four hundred twenty-two million, one hundred twenty-one thousand, two hundred one".