421226216 has 16 divisors (see below), whose sum is σ = 791003940. Its totient is φ = 210291840.

The previous prime is 421226203. The next prime is 421226269. The reversal of 421226216 is 612622124.

It can be written as a sum of positive squares in 2 ways, for example, as 374577316 + 46648900 = 19354^2 + 6830^2 .

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, 34541 + ... + 45116.

Almost surely, 2^421226216 is an apocalyptic number.

It is an amenable number.

421226216 is a deficient number, since it is larger than the sum of its proper divisors (369777724).

421226216 is a wasteful number, since it uses less digits than its factorization.

421226216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80324 (or 80320 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 421226216 is about 20523.7963349864. The cubic root of 421226216 is about 749.6153381548.

The spelling of 421226216 in words is "four hundred twenty-one million, two hundred twenty-six thousand, two hundred sixteen".