253222 has 4 divisors (see below), whose sum is σ = 379836. Its totient is φ = 126610.

The previous prime is 253159. The next prime is 253229. The reversal of 253222 is 222352.

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

It is a junction number, because it is equal to n+sod(n) for n = 253196 and 253205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253229) by changing a digit.

253222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63304 + ... + 63307.

It is an arithmetic number, because the mean of its divisors is an integer number (94959).

2²⁵³²²² is an apocalyptic number.

253222 is a deficient number, since it is larger than the sum of its proper divisors (126614).

253222 is a wasteful number, since it uses less digits than its factorization.

253222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126613.

The product of its digits is 240, while the sum is 16.

The square root of 253222 is about 503.2116850790. The cubic root of 253222 is about 63.2655291589.

Adding to 253222 its reverse (222352), we get a palindrome (475574).

The spelling of 253222 in words is "two hundred fifty-three thousand, two hundred twenty-two".