4302222121 has 4 divisors (see below), whose sum is σ = 4375141200. Its totient is φ = 4229303044.

The previous prime is 4302222049. The next prime is 4302222131. The reversal of 4302222121 is 1212222034.

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 a de Polignac number, because none of the positive numbers 2^k-4302222121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4302222131) 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, 36459451 + ... + 36459568.

It is an arithmetic number, because the mean of its divisors is an integer number (1093785300).

Almost surely, 2^4302222121 is an apocalyptic number.

It is an amenable number.

4302222121 is a deficient number, since it is larger than the sum of its proper divisors (72919079).

4302222121 is an equidigital number, since it uses as much as digits as its factorization.

4302222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72919078.

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

The square root of 4302222121 is about 65591.3265683810. The cubic root of 4302222121 is about 1626.4133970092.

Adding to 4302222121 its reverse (1212222034), we get a palindrome (5514444155).

The spelling of 4302222121 in words is "four billion, three hundred two million, two hundred twenty-two thousand, one hundred twenty-one".