222971 has 8 divisors (see below), whose sum is σ = 260064. Its totient is φ = 187200.

The previous prime is 222967. The next prime is 222977. The reversal of 222971 is 179222.

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 222971 - 2² = 222967 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁵ + 9⁵ + 2¹⁷ + 7² + 1 .

It is not an unprimeable number, because it can be changed into a prime (222977) 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, 71 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (32508).

2²²²⁹⁷¹ is an apocalyptic number.

222971 is a deficient number, since it is larger than the sum of its proper divisors (37093).

222971 is an equidigital number, since it uses as much as digits as its factorization.

222971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its digits is 504, while the sum is 23.

The square root of 222971 is about 472.1980516690. The cubic root of 222971 is about 60.6386411363.

The spelling of 222971 in words is "two hundred twenty-two thousand, nine hundred seventy-one".