224405455 has 4 divisors (see below), whose sum is σ = 269286552. Its totient is φ = 179524360.

The previous prime is 224405437. The next prime is 224405501. The reversal of 224405455 is 554504422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 224405455 - 2¹⁹ = 223881167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22440541 + ... + 22440550.

It is an arithmetic number, because the mean of its divisors is an integer number (67321638).

Almost surely, 2^224405455 is an apocalyptic number.

224405455 is a deficient number, since it is larger than the sum of its proper divisors (44881097).

224405455 is an equidigital number, since it uses as much as digits as its factorization.

224405455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44881096.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 224405455 is about 14980.1687240164. The cubic root of 224405455 is about 607.6840021359.

Adding to 224405455 its reverse (554504422), we get a palindrome (778909877).

The spelling of 224405455 in words is "two hundred twenty-four million, four hundred five thousand, four hundred fifty-five".