47646122 has 4 divisors (see below), whose sum is σ = 71469186. Its totient is φ = 23823060.

The previous prime is 47646113. The next prime is 47646139. The reversal of 47646122 is 22164674.

47646122 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 can be written as a sum of positive squares in only one way, i.e., 41589601 + 6056521 = 6449^2 + 2461^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11911529 + ... + 11911532.

Almost surely, 2^47646122 is an apocalyptic number.

47646122 is a deficient number, since it is larger than the sum of its proper divisors (23823064).

47646122 is a wasteful number, since it uses less digits than its factorization.

47646122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23823063.

The product of its digits is 16128, while the sum is 32.

The square root of 47646122 is about 6902.6170399349. The cubic root of 47646122 is about 362.5288050039.

The spelling of 47646122 in words is "forty-seven million, six hundred forty-six thousand, one hundred twenty-two".