224421453 has 6 divisors (see below), whose sum is σ = 324164334. Its totient is φ = 149614296.

The previous prime is 224421433. The next prime is 224421467. The reversal of 224421453 is 354124422.

It can be written as a sum of positive squares in only one way, i.e., 219099204 + 5322249 = 14802^2 + 2307^2 .

It is not a de Polignac number, because 224421453 - 2²⁵ = 190867021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224421433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12467850 + ... + 12467867.

It is an arithmetic number, because the mean of its divisors is an integer number (54027389).

Almost surely, 2^224421453 is an apocalyptic number.

It is an amenable number.

224421453 is a deficient number, since it is larger than the sum of its proper divisors (99742881).

224421453 is a wasteful number, since it uses less digits than its factorization.

224421453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24935723 (or 24935720 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 224421453 is about 14980.7026871239. The cubic root of 224421453 is about 607.6984425122.

Adding to 224421453 its reverse (354124422), we get a palindrome (578545875).

The spelling of 224421453 in words is "two hundred twenty-four million, four hundred twenty-one thousand, four hundred fifty-three".