47227180 has 144 divisors (see below), whose sum is σ = 135940896. Its totient is φ = 13547520.

The previous prime is 47227171. The next prime is 47227223. The reversal of 47227180 is 8172274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139972 + ... + 140308.

It is an arithmetic number, because the mean of its divisors is an integer number (944034).

Almost surely, 2^47227180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47227180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67970448).

47227180 is an abundant number, since it is smaller than the sum of its proper divisors (88713716).

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

47227180 is a wasteful number, since it uses less digits than its factorization.

47227180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 47227180 is about 6872.2034312148. The cubic root of 47227180 is about 361.4631297818.

The spelling of 47227180 in words is "forty-seven million, two hundred twenty-seven thousand, one hundred eighty".