217094130 has 96 divisors (see below), whose sum is σ = 622028160. Its totient is φ = 52093440.

The previous prime is 217094113. The next prime is 217094149. The reversal of 217094130 is 31490712.

It is a super-2 number, since 2×217094130² = 94259722560913800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 217094094 and 217094103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100906 + ... + 103034.

It is an arithmetic number, because the mean of its divisors is an integer number (6479460).

Almost surely, 2^217094130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 217094130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311014080).

217094130 is an abundant number, since it is smaller than the sum of its proper divisors (404934030).

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

217094130 is a wasteful number, since it uses less digits than its factorization.

217094130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 217094130 is about 14734.1144966367. The cubic root of 217094130 is about 601.0113775678.

The spelling of 217094130 in words is "two hundred seventeen million, ninety-four thousand, one hundred thirty".