222251 has 4 divisors (see below), whose sum is σ = 224400. Its totient is φ = 220104.

The previous prime is 222247. The next prime is 222269. The reversal of 222251 is 152222.

222251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222251 - 2² = 222247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911 + ... + 1128.

It is an arithmetic number, because the mean of its divisors is an integer number (56100).

2²²²²⁵¹ is an apocalyptic number.

222251 is a deficient number, since it is larger than the sum of its proper divisors (2149).

222251 is a wasteful number, since it uses less digits than its factorization.

222251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148.

The product of its digits is 80, while the sum is 14.

The square root of 222251 is about 471.4350432456. The cubic root of 222251 is about 60.5733009495.

Adding to 222251 its reverse (152222), we get a palindrome (374473).

The spelling of 222251 in words is "two hundred twenty-two thousand, two hundred fifty-one".