421125522 has 8 divisors (see below), whose sum is σ = 842251056. Its totient is φ = 140375172.

The previous prime is 421125511. The next prime is 421125563. The reversal of 421125522 is 225521124.

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

421125522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 421125492 and 421125501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35093788 + ... + 35093799.

It is an arithmetic number, because the mean of its divisors is an integer number (105281382).

Almost surely, 2^421125522 is an apocalyptic number.

421125522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421125522 is a wasteful number, since it uses less digits than its factorization.

421125522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70187592.

The product of its digits is 1600, while the sum is 24.

The square root of 421125522 is about 20521.3430847009. The cubic root of 421125522 is about 749.5556016210. Note that the first 3 decimals are identical.

Adding to 421125522 its reverse (225521124), we get a palindrome (646646646).

The spelling of 421125522 in words is "four hundred twenty-one million, one hundred twenty-five thousand, five hundred twenty-two".