416827221 has 4 divisors (see below), whose sum is σ = 555769632. Its totient is φ = 277884812.

The previous prime is 416827217. The next prime is 416827231. The reversal of 416827221 is 122728614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 416827221 - 2² = 416827217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416827231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69471201 + ... + 69471206.

It is an arithmetic number, because the mean of its divisors is an integer number (138942408).

Almost surely, 2^416827221 is an apocalyptic number.

It is an amenable number.

416827221 is a deficient number, since it is larger than the sum of its proper divisors (138942411).

416827221 is a wasteful number, since it uses less digits than its factorization.

416827221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138942410.

The product of its digits is 10752, while the sum is 33.

The square root of 416827221 is about 20416.3469063395. The cubic root of 416827221 is about 746.9967133002.

The spelling of 416827221 in words is "four hundred sixteen million, eight hundred twenty-seven thousand, two hundred twenty-one".