222851 has 8 divisors (see below), whose sum is σ = 241680. Its totient is φ = 204768.

The previous prime is 222841. The next prime is 222857. The reversal of 222851 is 158222.

222851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222851 - 2⁶ = 222787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545 + ... + 861.

It is an arithmetic number, because the mean of its divisors is an integer number (30210).

2²²²⁸⁵¹ is an apocalyptic number.

222851 is a deficient number, since it is larger than the sum of its proper divisors (18829).

222851 is a wasteful number, since it uses less digits than its factorization.

222851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373.

The product of its digits is 320, while the sum is 20.

The square root of 222851 is about 472.0709692409. The cubic root of 222851 is about 60.6277608832.

The spelling of 222851 in words is "two hundred twenty-two thousand, eight hundred fifty-one".