471138822 has 96 divisors (see below), whose sum is σ = 1328711040. Its totient is φ = 122366160.

The previous prime is 471138817. The next prime is 471138881. The reversal of 471138822 is 228831174.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21013 + ... + 37199.

It is an arithmetic number, because the mean of its divisors is an integer number (13840740).

Almost surely, 2^471138822 is an apocalyptic number.

471138822 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 471138822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664355520).

471138822 is an abundant number, since it is smaller than the sum of its proper divisors (857572218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471138822 is a wasteful number, since it uses less digits than its factorization.

471138822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16223 (or 16210 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 471138822 is about 21705.7324686360. The cubic root of 471138822 is about 778.1254690663.

Adding to 471138822 its reverse (228831174), we get a palindrome (699969996).

The spelling of 471138822 in words is "four hundred seventy-one million, one hundred thirty-eight thousand, eight hundred twenty-two".