47312622 has 48 divisors (see below), whose sum is σ = 123327360. Its totient is φ = 12805776.

The previous prime is 47312621. The next prime is 47312651. The reversal of 47312622 is 22621374.

47312622 is a `hidden beast` number, since 4 + 7 + 31 + 2 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47312621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7488 + ... + 12275.

It is an arithmetic number, because the mean of its divisors is an integer number (2569320).

Almost surely, 2^47312622 is an apocalyptic number.

47312622 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47312622 is an abundant number, since it is smaller than the sum of its proper divisors (76014738).

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

47312622 is a wasteful number, since it uses less digits than its factorization.

47312622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19797 (or 19794 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 47312622 is about 6878.4171144239. The cubic root of 47312622 is about 361.6809812150.

Adding to 47312622 its reverse (22621374), we get a palindrome (69933996).

The spelling of 47312622 in words is "forty-seven million, three hundred twelve thousand, six hundred twenty-two".