470663221 has 4 divisors (see below), whose sum is σ = 537900832. Its totient is φ = 403425612.

The previous prime is 470663213. The next prime is 470663227. The reversal of 470663221 is 122366074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 470663221 - 2³ = 470663213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470663227) 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, 33618795 + ... + 33618808.

It is an arithmetic number, because the mean of its divisors is an integer number (134475208).

Almost surely, 2^470663221 is an apocalyptic number.

It is an amenable number.

470663221 is a deficient number, since it is larger than the sum of its proper divisors (67237611).

470663221 is an equidigital number, since it uses as much as digits as its factorization.

470663221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67237610.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 470663221 is about 21694.7740481435. The cubic root of 470663221 is about 777.8635492024.

The spelling of 470663221 in words is "four hundred seventy million, six hundred sixty-three thousand, two hundred twenty-one".