430222121 has 4 divisors (see below), whose sum is σ = 491682432. Its totient is φ = 368761812.

The previous prime is 430222099. The next prime is 430222129. The reversal of 430222121 is 121222034.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121222034 = 2 ⋅60611017.

It is a cyclic number.

It is not a de Polignac number, because 430222121 - 2⁶ = 430222057 is a prime.

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 430222121.

It is not an unprimeable number, because it can be changed into a prime (430222129) 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, 30730145 + ... + 30730158.

It is an arithmetic number, because the mean of its divisors is an integer number (122920608).

Almost surely, 2^430222121 is an apocalyptic number.

It is an amenable number.

430222121 is a deficient number, since it is larger than the sum of its proper divisors (61460311).

430222121 is an equidigital number, since it uses as much as digits as its factorization.

430222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61460310.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 430222121 is about 20741.7964747512. The cubic root of 430222121 is about 754.9141729550.

Adding to 430222121 its reverse (121222034), we get a palindrome (551444155).

The spelling of 430222121 in words is "four hundred thirty million, two hundred twenty-two thousand, one hundred twenty-one".