47805922 has 4 divisors (see below), whose sum is σ = 71708886. Its totient is φ = 23902960.

The previous prime is 47805917. The next prime is 47805929. The reversal of 47805922 is 22950874.

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

It can be written as a sum of positive squares in only one way, i.e., 45306361 + 2499561 = 6731^2 + 1581^2 .

It is not an unprimeable number, because it can be changed into a prime (47805929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11951479 + ... + 11951482.

Almost surely, 2^47805922 is an apocalyptic number.

47805922 is a deficient number, since it is larger than the sum of its proper divisors (23902964).

47805922 is a wasteful number, since it uses less digits than its factorization.

47805922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23902963.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 47805922 is about 6914.1826704246. The cubic root of 47805922 is about 362.9336470281.

The spelling of 47805922 in words is "forty-seven million, eight hundred five thousand, nine hundred twenty-two".