471622321 has 2 divisors, whose sum is σ = 471622322. Its totient is φ = 471622320.

The previous prime is 471622259. The next prime is 471622373. The reversal of 471622321 is 123226174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340771600 + 130850721 = 18460^2 + 11439^2 .

It is a cyclic number.

It is not a de Polignac number, because 471622321 - 2¹⁷ = 471491249 is a prime.

It is a super-2 number, since 2×471622321² = 444855227330854082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 471622321.

It is not a weakly prime, because it can be changed into another prime (471622391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235811160 + 235811161.

It is an arithmetic number, because the mean of its divisors is an integer number (235811161).

Almost surely, 2^471622321 is an apocalyptic number.

It is an amenable number.

471622321 is a deficient number, since it is larger than the sum of its proper divisors (1).

471622321 is an equidigital number, since it uses as much as digits as its factorization.

471622321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 471622321 is about 21716.8672004044. The cubic root of 471622321 is about 778.3915578455.

Adding to 471622321 its reverse (123226174), we get a palindrome (594848495).

The spelling of 471622321 in words is "four hundred seventy-one million, six hundred twenty-two thousand, three hundred twenty-one".