706213222 has 16 divisors (see below), whose sum is σ = 1244516112. Its totient is φ = 296313120.

The previous prime is 706213177. The next prime is 706213241. The reversal of 706213222 is 222312607.

It is a super-2 number, since 2×706213222² = 997474229855242568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234353 + ... + 1234924.

It is an arithmetic number, because the mean of its divisors is an integer number (77782257).

Almost surely, 2^706213222 is an apocalyptic number.

706213222 is a deficient number, since it is larger than the sum of its proper divisors (538302890).

706213222 is a wasteful number, since it uses less digits than its factorization.

706213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469303.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 706213222 is about 26574.6725661860. The cubic root of 706213222 is about 890.5232886117.

Adding to 706213222 its reverse (222312607), we get a palindrome (928525829).

The spelling of 706213222 in words is "seven hundred six million, two hundred thirteen thousand, two hundred twenty-two".