222351 has 8 divisors (see below), whose sum is σ = 299184. Its totient is φ = 146880.

The previous prime is 222349. The next prime is 222361. The reversal of 222351 is 153222.

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

It is not a de Polignac number, because 222351 - 2¹ = 222349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222311) 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, 141 + ... + 681.

It is an arithmetic number, because the mean of its divisors is an integer number (37398).

2²²²³⁵¹ is an apocalyptic number.

222351 is a deficient number, since it is larger than the sum of its proper divisors (76833).

222351 is a wasteful number, since it uses less digits than its factorization.

222351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its digits is 120, while the sum is 15.

The square root of 222351 is about 471.5410904683. The cubic root of 222351 is about 60.5823844060.

Adding to 222351 its reverse (153222), we get a palindrome (375573).

The spelling of 222351 in words is "two hundred twenty-two thousand, three hundred fifty-one".