705632227 has 4 divisors (see below), whose sum is σ = 709711200. Its totient is φ = 701553256.

The previous prime is 705632171. The next prime is 705632237. The reversal of 705632227 is 722236507.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705632227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 705632192 and 705632201.

It is not an unprimeable number, because it can be changed into a prime (705632237) 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, 2039227 + ... + 2039572.

It is an arithmetic number, because the mean of its divisors is an integer number (177427800).

Almost surely, 2^705632227 is an apocalyptic number.

705632227 is a deficient number, since it is larger than the sum of its proper divisors (4078973).

705632227 is a wasteful number, since it uses less digits than its factorization.

705632227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078972.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 705632227 is about 26563.7389499295. The cubic root of 705632227 is about 890.2790132235.

The spelling of 705632227 in words is "seven hundred five million, six hundred thirty-two thousand, two hundred twenty-seven".