47122644 has 24 divisors (see below), whose sum is σ = 110098240. Its totient is φ = 15686784.

The previous prime is 47122643. The next prime is 47122681. The reversal of 47122644 is 44622174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47122643) 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, 8892 + ... + 13164.

Almost surely, 2^47122644 is an apocalyptic number.

It is an amenable number.

47122644 is an abundant number, since it is smaller than the sum of its proper divisors (62975596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47122644 is a wasteful number, since it uses less digits than its factorization.

47122644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199 (or 5197 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 47122644 is about 6864.5935058094. The cubic root of 47122644 is about 361.1962366960.

The spelling of 47122644 in words is "forty-seven million, one hundred twenty-two thousand, six hundred forty-four".