47450228 has 18 divisors (see below), whose sum is σ = 96595506. Its totient is φ = 20335728.

The previous prime is 47450191. The next prime is 47450237. The reversal of 47450228 is 82205474.

It can be written as a sum of positive squares in only one way, i.e., 34904464 + 12545764 = 5908^2 + 3542^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47450194 and 47450203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120851 + ... + 121242.

It is an arithmetic number, because the mean of its divisors is an integer number (5366417).

Almost surely, 2^47450228 is an apocalyptic number.

It is an amenable number.

47450228 is an abundant number, since it is smaller than the sum of its proper divisors (49145278).

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

47450228 is a wasteful number, since it uses less digits than its factorization.

47450228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242111 (or 242102 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 47450228 is about 6888.4125892690. The cubic root of 47450228 is about 362.0312844975.

The spelling of 47450228 in words is "forty-seven million, four hundred fifty thousand, two hundred twenty-eight".