217055482 has 16 divisors (see below), whose sum is σ = 373014720. Its totient is φ = 92793888.

The previous prime is 217055477. The next prime is 217055533. The reversal of 217055482 is 284550712.

It is a happy number.

It is a super-2 number, since 2×217055482² = 94226164532504648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13228 + ... + 24679.

It is an arithmetic number, because the mean of its divisors is an integer number (23313420).

Almost surely, 2^217055482 is an apocalyptic number.

217055482 is a deficient number, since it is larger than the sum of its proper divisors (155959238).

217055482 is a wasteful number, since it uses less digits than its factorization.

217055482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38325.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 217055482 is about 14732.8029240875. The cubic root of 217055482 is about 600.9757106028.

The spelling of 217055482 in words is "two hundred seventeen million, fifty-five thousand, four hundred eighty-two".