47709922 has 16 divisors (see below), whose sum is σ = 81604152. Its totient is φ = 20724480.

The previous prime is 47709881. The next prime is 47709923. The reversal of 47709922 is 22990774.

It can be written as a sum of positive squares in 4 ways, for example, as 44502241 + 3207681 = 6671^2 + 1791^2 .

It is not an unprimeable number, because it can be changed into a prime (47709923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53529 + ... + 54412.

Almost surely, 2^47709922 is an apocalyptic number.

47709922 is a deficient number, since it is larger than the sum of its proper divisors (33894230).

47709922 is a wasteful number, since it uses less digits than its factorization.

47709922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107973.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 47709922 is about 6907.2369294820. The cubic root of 47709922 is about 362.6905461962.

The spelling of 47709922 in words is "forty-seven million, seven hundred nine thousand, nine hundred twenty-two".