421122441 has 16 divisors (see below), whose sum is σ = 591589440. Its totient is φ = 265728960.

The previous prime is 421122431. The next prime is 421122497. The reversal of 421122441 is 144221124.

It is not a de Polignac number, because 421122441 - 2⁷ = 421122313 is a prime.

It is a super-2 number, since 2×421122441² = 354688220627596962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421122421) 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 15 ways as a sum of consecutive naturals, for example, 75571 + ... + 80951.

It is an arithmetic number, because the mean of its divisors is an integer number (36974340).

Almost surely, 2^421122441 is an apocalyptic number.

It is an amenable number.

421122441 is a deficient number, since it is larger than the sum of its proper divisors (170466999).

421122441 is a wasteful number, since it uses less digits than its factorization.

421122441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776.

The product of its digits is 512, while the sum is 21.

The square root of 421122441 is about 20521.2680163775. The cubic root of 421122441 is about 749.5537736732.

Adding to 421122441 its reverse (144221124), we get a palindrome (565343565).

The spelling of 421122441 in words is "four hundred twenty-one million, one hundred twenty-two thousand, four hundred forty-one".