947228 has 6 divisors (see below), whose sum is σ = 1657656. Its totient is φ = 473612.

The previous prime is 947203. The next prime is 947239. The reversal of 947228 is 822749.

947228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 947194 and 947203.

It is a congruent number.

It is an unprimeable number.

947228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118400 + ... + 118407.

It is an arithmetic number, because the mean of its divisors is an integer number (276276).

2⁹⁴⁷²²⁸ is an apocalyptic number.

It is an amenable number.

947228 is a deficient number, since it is larger than the sum of its proper divisors (710428).

947228 is a wasteful number, since it uses less digits than its factorization.

947228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236811 (or 236809 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 947228 is about 973.2563896528. The cubic root of 947228 is about 98.2090497893.

The spelling of 947228 in words is "nine hundred forty-seven thousand, two hundred twenty-eight".