421131022 has 8 divisors (see below), whose sum is σ = 680288616. Its totient is φ = 194368152.

The previous prime is 421130977. The next prime is 421131023. The reversal of 421131022 is 220131124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 421130987 and 421131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421131023) 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, 8098648 + ... + 8098699.

It is an arithmetic number, because the mean of its divisors is an integer number (85036077).

Almost surely, 2^421131022 is an apocalyptic number.

421131022 is a deficient number, since it is larger than the sum of its proper divisors (259157594).

421131022 is a wasteful number, since it uses less digits than its factorization.

421131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16197362.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 421131022 is about 20521.4770910868. The cubic root of 421131022 is about 749.5588647319.

Adding to 421131022 its reverse (220131124), we get a palindrome (641262146).

The spelling of 421131022 in words is "four hundred twenty-one million, one hundred thirty-one thousand, twenty-two".