8705222 has 4 divisors (see below), whose sum is σ = 13057836. Its totient is φ = 4352610.

The previous prime is 8705219. The next prime is 8705237. The reversal of 8705222 is 2225078.

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

It is a junction number, because it is equal to n+sod(n) for n = 8705191 and 8705200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2176304 + ... + 2176307.

It is an arithmetic number, because the mean of its divisors is an integer number (3264459).

Almost surely, 2^8705222 is an apocalyptic number.

8705222 is a deficient number, since it is larger than the sum of its proper divisors (4352614).

8705222 is a wasteful number, since it uses less digits than its factorization.

8705222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352613.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 8705222 is about 2950.4613198617. The cubic root of 8705222 is about 205.7121533527.

The spelling of 8705222 in words is "eight million, seven hundred five thousand, two hundred twenty-two".