421225332 has 48 divisors (see below), whose sum is σ = 1085156352. Its totient is φ = 126102880.

The previous prime is 421225331. The next prime is 421225339. The reversal of 421225332 is 233522124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421225331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8268 + ... + 30179.

It is an arithmetic number, because the mean of its divisors is an integer number (22607424).

Almost surely, 2^421225332 is an apocalyptic number.

It is an amenable number.

421225332 is an abundant number, since it is smaller than the sum of its proper divisors (663931020).

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

421225332 is a wasteful number, since it uses less digits than its factorization.

421225332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38548 (or 38546 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 421225332 is about 20523.7747989984. The cubic root of 421225332 is about 749.6148137648.

Adding to 421225332 its reverse (233522124), we get a palindrome (654747456).

The spelling of 421225332 in words is "four hundred twenty-one million, two hundred twenty-five thousand, three hundred thirty-two".