47722807 has 4 divisors (see below), whose sum is σ = 52061256. Its totient is φ = 43384360.

The previous prime is 47722789. The next prime is 47722823. The reversal of 47722807 is 70822774.

47722807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47722807 - 2¹⁵ = 47690039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47722837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2169208 + ... + 2169229.

It is an arithmetic number, because the mean of its divisors is an integer number (13015314).

Almost surely, 2^47722807 is an apocalyptic number.

47722807 is a deficient number, since it is larger than the sum of its proper divisors (4338449).

47722807 is a wasteful number, since it uses less digits than its factorization.

47722807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338448.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 47722807 is about 6908.1695839057. The cubic root of 47722807 is about 362.7231938221.

The spelling of 47722807 in words is "forty-seven million, seven hundred twenty-two thousand, eight hundred seven".