222081706 has 48 divisors (see below), whose sum is σ = 432069120. Its totient is φ = 83714400.

The previous prime is 222081701. The next prime is 222081731. The reversal of 222081706 is 607180222.

It is not an unprimeable number, because it can be changed into a prime (222081701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50400 + ... + 54628.

It is an arithmetic number, because the mean of its divisors is an integer number (9001440).

Almost surely, 2^222081706 is an apocalyptic number.

222081706 is a deficient number, since it is larger than the sum of its proper divisors (209987414).

222081706 is a wasteful number, since it uses less digits than its factorization.

222081706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291 (or 4280 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 222081706 is about 14902.4060473469. The cubic root of 222081706 is about 605.5791698984.

The spelling of 222081706 in words is "two hundred twenty-two million, eighty-one thousand, seven hundred six".