47045822 has 4 divisors (see below), whose sum is σ = 70568736. Its totient is φ = 23522910.

The previous prime is 47045813. The next prime is 47045837. The reversal of 47045822 is 22854074.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11761454 + ... + 11761457.

It is an arithmetic number, because the mean of its divisors is an integer number (17642184).

Almost surely, 2^47045822 is an apocalyptic number.

47045822 is a deficient number, since it is larger than the sum of its proper divisors (23522914).

47045822 is a wasteful number, since it uses less digits than its factorization.

47045822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23522913.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 47045822 is about 6858.9956990802. The cubic root of 47045822 is about 360.9998490905. Note that the first 3 decimals are identical.

Adding to 47045822 its reverse (22854074), we get a palindrome (69899896).

The spelling of 47045822 in words is "forty-seven million, forty-five thousand, eight hundred twenty-two".