217275332 has 12 divisors (see below), whose sum is σ = 380600976. Its totient is φ = 108532200.

The previous prime is 217275271. The next prime is 217275349. The reversal of 217275332 is 233572712.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21638 + ... + 30045.

It is an arithmetic number, because the mean of its divisors is an integer number (31716748).

Almost surely, 2^217275332 is an apocalyptic number.

It is an amenable number.

217275332 is a deficient number, since it is larger than the sum of its proper divisors (163325644).

217275332 is a wasteful number, since it uses less digits than its factorization.

217275332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52738 (or 52736 counting only the distinct ones).

The product of its digits is 17640, while the sum is 32.

The square root of 217275332 is about 14740.2622771781. The cubic root of 217275332 is about 601.1785464942.

The spelling of 217275332 in words is "two hundred seventeen million, two hundred seventy-five thousand, three hundred thirty-two".