224482621 has 4 divisors (see below), whose sum is σ = 244890144. Its totient is φ = 204075100.

The previous prime is 224482619. The next prime is 224482627. The reversal of 224482621 is 126284422.

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 224482621 - 2¹ = 224482619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224482627) 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, 10203745 + ... + 10203766.

It is an arithmetic number, because the mean of its divisors is an integer number (61222536).

Almost surely, 2^224482621 is an apocalyptic number.

It is an amenable number.

224482621 is a deficient number, since it is larger than the sum of its proper divisors (20407523).

224482621 is a wasteful number, since it uses less digits than its factorization.

224482621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20407522.

The product of its digits is 12288, while the sum is 31.

The square root of 224482621 is about 14982.7441078062. The cubic root of 224482621 is about 607.7536486451.

The spelling of 224482621 in words is "two hundred twenty-four million, four hundred eighty-two thousand, six hundred twenty-one".