457222 has 4 divisors (see below), whose sum is σ = 685836. Its totient is φ = 228610.

The previous prime is 457213. The next prime is 457229. The reversal of 457222 is 222754.

457222 is digitally balanced in base 3, 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 Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 457193 and 457202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457229) by changing a digit.

457222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114304 + ... + 114307.

It is an arithmetic number, because the mean of its divisors is an integer number (171459).

2⁴⁵⁷²²² is an apocalyptic number.

457222 is a deficient number, since it is larger than the sum of its proper divisors (228614).

457222 is a wasteful number, since it uses less digits than its factorization.

457222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228613.

The product of its digits is 1120, while the sum is 22.

The square root of 457222 is about 676.1819281821. The cubic root of 457222 is about 77.0387166851.

Adding to 457222 its reverse (222754), we get a palindrome (679976).

The spelling of 457222 in words is "four hundred fifty-seven thousand, two hundred twenty-two".