4267222121 has 4 divisors (see below), whose sum is σ = 4337176644. Its totient is φ = 4197267600.

The previous prime is 4267222109. The next prime is 4267222133. The reversal of 4267222121 is 1212227624.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4267222109) and next prime (4267222133).

It can be written as a sum of positive squares in 2 ways, for example, as 1727566096 + 2539656025 = 41564^2 + 50395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4267222121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4267222171) 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 3 ways as a sum of consecutive naturals, for example, 34977170 + ... + 34977291.

It is an arithmetic number, because the mean of its divisors is an integer number (1084294161).

Almost surely, 2^4267222121 is an apocalyptic number.

It is an amenable number.

4267222121 is a deficient number, since it is larger than the sum of its proper divisors (69954523).

4267222121 is an equidigital number, since it uses as much as digits as its factorization.

4267222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69954522.

The product of its digits is 5376, while the sum is 29.

The square root of 4267222121 is about 65323.9781473847. The cubic root of 4267222121 is about 1621.9909121292.

Adding to 4267222121 its reverse (1212227624), we get a palindrome (5479449745).

The spelling of 4267222121 in words is "four billion, two hundred sixty-seven million, two hundred twenty-two thousand, one hundred twenty-one".