217474052 has 24 divisors (see below), whose sum is σ = 400280832. Its totient is φ = 103240800.

The previous prime is 217474051. The next prime is 217474063. The reversal of 217474052 is 250474712.

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

It is not an unprimeable number, because it can be changed into a prime (217474051) 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, 9974 + ... + 23117.

It is an arithmetic number, because the mean of its divisors is an integer number (16678368).

Almost surely, 2^217474052 is an apocalyptic number.

It is an amenable number.

217474052 is a deficient number, since it is larger than the sum of its proper divisors (182806780).

217474052 is a wasteful number, since it uses less digits than its factorization.

217474052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33179 (or 33177 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 217474052 is about 14747.0014579236. The cubic root of 217474052 is about 601.3617699292.

The spelling of 217474052 in words is "two hundred seventeen million, four hundred seventy-four thousand, fifty-two".