454222 has 4 divisors (see below), whose sum is σ = 681336. Its totient is φ = 227110.

The previous prime is 454219. The next prime is 454229. The reversal of 454222 is 222454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222454 = 2 ⋅111227.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 454222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113554 + ... + 113557.

It is an arithmetic number, because the mean of its divisors is an integer number (170334).

2⁴⁵⁴²²² is an apocalyptic number.

454222 is a deficient number, since it is larger than the sum of its proper divisors (227114).

454222 is a wasteful number, since it uses less digits than its factorization.

454222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227113.

The product of its digits is 640, while the sum is 19.

The square root of 454222 is about 673.9599394623. The cubic root of 454222 is about 76.8698537988.

Adding to 454222 its reverse (222454), we get a palindrome (676676).

It can be divided in two parts, 454 and 222, that added together give a palindrome (676).

The spelling of 454222 in words is "four hundred fifty-four thousand, two hundred twenty-two".