421622411 has 6 divisors (see below), whose sum is σ = 490458780. Its totient is φ = 361390596.

The previous prime is 421622371. The next prime is 421622429. The reversal of 421622411 is 114226124.

It is not a de Polignac number, because 421622411 - 2¹⁸ = 421360267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421622011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4302221 + ... + 4302318.

It is an arithmetic number, because the mean of its divisors is an integer number (81743130).

Almost surely, 2^421622411 is an apocalyptic number.

421622411 is a deficient number, since it is larger than the sum of its proper divisors (68836369).

421622411 is an equidigital number, since it uses as much as digits as its factorization.

421622411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604553 (or 8604546 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 421622411 is about 20533.4461549931. The cubic root of 421622411 is about 749.8502877466.

Adding to 421622411 its reverse (114226124), we get a palindrome (535848535).

The spelling of 421622411 in words is "four hundred twenty-one million, six hundred twenty-two thousand, four hundred eleven".