4222230121 has 4 divisors (see below), whose sum is σ = 4226415700. Its totient is φ = 4218044544.

The previous prime is 4222230119. The next prime is 4222230151. The reversal of 4222230121 is 1210322224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1439140096 + 2783090025 = 37936^2 + 52755^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222230121 - 2¹ = 4222230119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4222230151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091276 + ... + 2093293.

It is an arithmetic number, because the mean of its divisors is an integer number (1056603925).

Almost surely, 2^4222230121 is an apocalyptic number.

It is an amenable number.

4222230121 is a deficient number, since it is larger than the sum of its proper divisors (4185579).

4222230121 is a wasteful number, since it uses less digits than its factorization.

4222230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185578.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4222230121 is about 64978.6897451772. The cubic root of 4222230121 is about 1616.2702031650.

Adding to 4222230121 its reverse (1210322224), we get a palindrome (5432552345).

The spelling of 4222230121 in words is "four billion, two hundred twenty-two million, two hundred thirty thousand, one hundred twenty-one".