421227341 has 2 divisors, whose sum is σ = 421227342. Its totient is φ = 421227340.

The previous prime is 421227337. The next prime is 421227347. The reversal of 421227341 is 143722124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288286441 + 132940900 = 16979^2 + 11530^2 .

It is a cyclic number.

It is not a de Polignac number, because 421227341 - 2² = 421227337 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421227341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421227347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210613670 + 210613671.

It is an arithmetic number, because the mean of its divisors is an integer number (210613671).

Almost surely, 2^421227341 is an apocalyptic number.

It is an amenable number.

421227341 is a deficient number, since it is larger than the sum of its proper divisors (1).

421227341 is an equidigital number, since it uses as much as digits as its factorization.

421227341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 26.

The square root of 421227341 is about 20523.8237421783. The cubic root of 421227341 is about 749.6160055053.

Adding to 421227341 its reverse (143722124), we get a palindrome (564949465).

The spelling of 421227341 in words is "four hundred twenty-one million, two hundred twenty-seven thousand, three hundred forty-one".