222763681 has 8 divisors (see below), whose sum is σ = 257108544. Its totient is φ = 189049200.

The previous prime is 222763669. The next prime is 222763687. The reversal of 222763681 is 186367222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222763681 - 2⁵ = 222763649 is a prime.

It is a super-2 number, since 2×222763681² = 99247315145339522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222763681.

It is not an unprimeable number, because it can be changed into a prime (222763687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156835 + ... + 158248.

It is an arithmetic number, because the mean of its divisors is an integer number (32138568).

Almost surely, 2^222763681 is an apocalyptic number.

It is an amenable number.

222763681 is a deficient number, since it is larger than the sum of its proper divisors (34344863).

222763681 is a wasteful number, since it uses less digits than its factorization.

222763681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315191.

The product of its digits is 48384, while the sum is 37.

The square root of 222763681 is about 14925.2698803070. The cubic root of 222763681 is about 606.1984132107.

The spelling of 222763681 in words is "two hundred twenty-two million, seven hundred sixty-three thousand, six hundred eighty-one".