421222301 has 4 divisors (see below), whose sum is σ = 421456704. Its totient is φ = 420987900.

The previous prime is 421222289. The next prime is 421222313. The reversal of 421222301 is 103222124.

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 an interprime number because it is at equal distance from previous prime (421222289) and next prime (421222313).

It is a cyclic number.

It is not a de Polignac number, because 421222301 - 2¹⁸ = 420960157 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 421222301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421221301) 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, 114485 + ... + 118106.

It is an arithmetic number, because the mean of its divisors is an integer number (105364176).

Almost surely, 2^421222301 is an apocalyptic number.

It is an amenable number.

421222301 is a deficient number, since it is larger than the sum of its proper divisors (234403).

421222301 is a wasteful number, since it uses less digits than its factorization.

421222301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234402.

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

The square root of 421222301 is about 20523.7009576733. The cubic root of 421222301 is about 749.6130157660.

Adding to 421222301 its reverse (103222124), we get a palindrome (524444425).

The spelling of 421222301 in words is "four hundred twenty-one million, two hundred twenty-two thousand, three hundred one".