947982228 has 24 divisors (see below), whose sum is σ = 2226611520. Its totient is φ = 313900800.

The previous prime is 947982223. The next prime is 947982241. The reversal of 947982228 is 822289749.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947982223) 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, 259773 + ... + 263396.

It is an arithmetic number, because the mean of its divisors is an integer number (92775480).

Almost surely, 2^947982228 is an apocalyptic number.

It is an amenable number.

947982228 is an abundant number, since it is smaller than the sum of its proper divisors (1278629292).

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

947982228 is a wasteful number, since it uses less digits than its factorization.

947982228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523327 (or 523325 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 947982228 is about 30789.3200314655. The cubic root of 947982228 is about 982.3510911333.

The spelling of 947982228 in words is "nine hundred forty-seven million, nine hundred eighty-two thousand, two hundred twenty-eight".