479056221 has 16 divisors (see below), whose sum is σ = 811100800. Its totient is φ = 273746304.

The previous prime is 479056189. The next prime is 479056261. The reversal of 479056221 is 122650974.

479056221 is a `hidden beast` number, since 4 + 7 + 90 + 562 + 2 + 1 = 666.

It is not a de Polignac number, because 479056221 - 2⁵ = 479056189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479056261) 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, 1267156 + ... + 1267533.

It is an arithmetic number, because the mean of its divisors is an integer number (50693800).

Almost surely, 2^479056221 is an apocalyptic number.

It is an amenable number.

479056221 is a deficient number, since it is larger than the sum of its proper divisors (332044579).

479056221 is a wasteful number, since it uses less digits than its factorization.

479056221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534705 (or 2534699 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 479056221 is about 21887.3529920820. The cubic root of 479056221 is about 782.4600290565.

The spelling of 479056221 in words is "four hundred seventy-nine million, fifty-six thousand, two hundred twenty-one".