477434221 has 16 divisors (see below), whose sum is σ = 539965440. Its totient is φ = 418156480.

The previous prime is 477434201. The next prime is 477434231. The reversal of 477434221 is 122434774.

It is a cyclic number.

It is not a de Polignac number, because 477434221 - 2¹³ = 477426029 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 (477434201) 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, 176340 + ... + 179026.

It is an arithmetic number, because the mean of its divisors is an integer number (33747840).

Almost surely, 2^477434221 is an apocalyptic number.

It is an amenable number.

477434221 is a deficient number, since it is larger than the sum of its proper divisors (62531219).

477434221 is a wasteful number, since it uses less digits than its factorization.

477434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its digits is 37632, while the sum is 34.

The square root of 477434221 is about 21850.2682134568. The cubic root of 477434221 is about 781.5759398934.

Adding to 477434221 its reverse (122434774), we get a palindrome (599868995).

The spelling of 477434221 in words is "four hundred seventy-seven million, four hundred thirty-four thousand, two hundred twenty-one".