222454 has 4 divisors (see below), whose sum is σ = 333684. Its totient is φ = 111226.

The previous prime is 222437. The next prime is 222461. The reversal of 222454 is 454222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454222 = 2 ⋅227111.

It is a congruent number.

It is an unprimeable 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, 55612 + ... + 55615.

It is an arithmetic number, because the mean of its divisors is an integer number (83421).

2²²²⁴⁵⁴ is an apocalyptic number.

222454 is a deficient number, since it is larger than the sum of its proper divisors (111230).

222454 is a wasteful number, since it uses less digits than its factorization.

222454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111229.

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

The square root of 222454 is about 471.6502941799. The cubic root of 222454 is about 60.5917375193.

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

It can be divided in two parts, 2224 and 54, that added together give a triangular number (2278 = T₆₇).

The spelling of 222454 in words is "two hundred twenty-two thousand, four hundred fifty-four".