47471822 has 4 divisors (see below), whose sum is σ = 71207736. Its totient is φ = 23735910.

The previous prime is 47471821. The next prime is 47471843. The reversal of 47471822 is 22817474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22817474 = 2 ⋅11408737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47471821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11867954 + ... + 11867957.

It is an arithmetic number, because the mean of its divisors is an integer number (17801934).

Almost surely, 2^47471822 is an apocalyptic number.

47471822 is a deficient number, since it is larger than the sum of its proper divisors (23735914).

47471822 is a wasteful number, since it uses less digits than its factorization.

47471822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23735913.

The product of its digits is 25088, while the sum is 35.

The square root of 47471822 is about 6889.9798258050. The cubic root of 47471822 is about 362.0861947918.

The spelling of 47471822 in words is "forty-seven million, four hundred seventy-one thousand, eight hundred twenty-two".