421255562 has 16 divisors (see below), whose sum is σ = 777702912. Its totient is φ = 166650480.

The previous prime is 421255561. The next prime is 421255591. The reversal of 421255562 is 265552124.

It is not an unprimeable number, because it can be changed into a prime (421255561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157114 + ... + 1157477.

It is an arithmetic number, because the mean of its divisors is an integer number (48606432).

Almost surely, 2^421255562 is an apocalyptic number.

421255562 is a deficient number, since it is larger than the sum of its proper divisors (356447350).

421255562 is a wasteful number, since it uses less digits than its factorization.

421255562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314613.

The product of its digits is 24000, while the sum is 32.

The square root of 421255562 is about 20524.5112487484. The cubic root of 421255562 is about 749.6327458248.

The spelling of 421255562 in words is "four hundred twenty-one million, two hundred fifty-five thousand, five hundred sixty-two".