225454 has 16 divisors (see below), whose sum is σ = 378000. Its totient is φ = 100224.

The previous prime is 225431. The next prime is 225457. The reversal of 225454 is 454522.

It is a super-2 number, since 2×225454² = 101659012232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225457) 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, 472 + ... + 820.

It is an arithmetic number, because the mean of its divisors is an integer number (23625).

2²²⁵⁴⁵⁴ is an apocalyptic number.

225454 is a deficient number, since it is larger than the sum of its proper divisors (152546).

225454 is a wasteful number, since it uses less digits than its factorization.

225454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its digits is 1600, while the sum is 22.

The square root of 225454 is about 474.8199658818. The cubic root of 225454 is about 60.8629009119.

Adding to 225454 its reverse (454522), we get a palindrome (679976).

It can be divided in two parts, 22 and 5454, that added together give a square (5476 = 74²).

The spelling of 225454 in words is "two hundred twenty-five thousand, four hundred fifty-four".