471474221 has 8 divisors (see below), whose sum is σ = 474629400. Its totient is φ = 468330048.

The previous prime is 471474203. The next prime is 471474271. The reversal of 471474221 is 122474174.

It can be written as a sum of positive squares in 4 ways, for example, as 22458121 + 449016100 = 4739^2 + 21190^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471474221 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 (471474271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94235 + ... + 99111.

It is an arithmetic number, because the mean of its divisors is an integer number (59328675).

Almost surely, 2^471474221 is an apocalyptic number.

It is an amenable number.

471474221 is a deficient number, since it is larger than the sum of its proper divisors (3155179).

471474221 is a wasteful number, since it uses less digits than its factorization.

471474221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503.

The product of its digits is 12544, while the sum is 32.

The square root of 471474221 is about 21713.4571406766. The cubic root of 471474221 is about 778.3100718389.

The spelling of 471474221 in words is "four hundred seventy-one million, four hundred seventy-four thousand, two hundred twenty-one".