222160681 has 12 divisors (see below), whose sum is σ = 230297472. Its totient is φ = 214213536.

The previous prime is 222160637. The next prime is 222160693. The reversal of 222160681 is 186061222.

It is not a de Polignac number, because 222160681 - 2⁷ = 222160553 is a prime.

It is a super-2 number, since 2×222160681² = 98710736364767522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222160621) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 250020 + ... + 250906.

It is an arithmetic number, because the mean of its divisors is an integer number (19191456).

Almost surely, 2^222160681 is an apocalyptic number.

It is an amenable number.

222160681 is a deficient number, since it is larger than the sum of its proper divisors (8136791).

222160681 is an frugal number, since it uses more digits than its factorization.

222160681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 222160681 is about 14905.0555517247. The cubic root of 222160681 is about 605.6509452040.

The spelling of 222160681 in words is "two hundred twenty-two million, one hundred sixty thousand, six hundred eighty-one".