224220453 has 4 divisors (see below), whose sum is σ = 298960608. Its totient is φ = 149480300.

The previous prime is 224220443. The next prime is 224220457. The reversal of 224220453 is 354022422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 224220453 - 2¹² = 224216357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224220457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37370073 + ... + 37370078.

It is an arithmetic number, because the mean of its divisors is an integer number (74740152).

Almost surely, 2^224220453 is an apocalyptic number.

It is an amenable number.

224220453 is a deficient number, since it is larger than the sum of its proper divisors (74740155).

224220453 is an equidigital number, since it uses as much as digits as its factorization.

224220453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74740154.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 224220453 is about 14973.9925537580. The cubic root of 224220453 is about 607.5169627264.

Adding to 224220453 its reverse (354022422), we get a palindrome (578242875).

The spelling of 224220453 in words is "two hundred twenty-four million, two hundred twenty thousand, four hundred fifty-three".