222182477681 has 8 divisors (see below), whose sum is σ = 223516220928. Its totient is φ = 220849902000.

The previous prime is 222182477659. The next prime is 222182477689. The reversal of 222182477681 is 186774281222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222182477681 is a prime.

It is a super-2 number, since 2×222182477681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222182477689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91346 + ... + 672836.

It is an arithmetic number, because the mean of its divisors is an integer number (27939527616).

Almost surely, 2^222182477681 is an apocalyptic number.

It is an amenable number.

222182477681 is a deficient number, since it is larger than the sum of its proper divisors (1333743247).

222182477681 is a wasteful number, since it uses less digits than its factorization.

222182477681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583783.

The product of its digits is 1204224, while the sum is 50.

The spelling of 222182477681 in words is "two hundred twenty-two billion, one hundred eighty-two million, four hundred seventy-seven thousand, six hundred eighty-one".