47821822 has 8 divisors (see below), whose sum is σ = 75508200. Its totient is φ = 22652424.

The previous prime is 47821817. The next prime is 47821849. The reversal of 47821822 is 22812874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629197 + ... + 629272.

It is an arithmetic number, because the mean of its divisors is an integer number (9438525).

Almost surely, 2^47821822 is an apocalyptic number.

47821822 is a deficient number, since it is larger than the sum of its proper divisors (27686378).

47821822 is a wasteful number, since it uses less digits than its factorization.

47821822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258490.

The product of its digits is 14336, while the sum is 34.

The square root of 47821822 is about 6915.3323853594. The cubic root of 47821822 is about 362.9738791800.

The spelling of 47821822 in words is "forty-seven million, eight hundred twenty-one thousand, eight hundred twenty-two".