224564421 has 16 divisors (see below), whose sum is σ = 307899648. Its totient is φ = 145497600.

The previous prime is 224564419. The next prime is 224564423. The reversal of 224564421 is 124465422.

It is an interprime number because it is at equal distance from previous prime (224564419) and next prime (224564423).

It is not a de Polignac number, because 224564421 - 2¹ = 224564419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224564423) 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 15 ways as a sum of consecutive naturals, for example, 29965 + ... + 36701.

It is an arithmetic number, because the mean of its divisors is an integer number (19243728).

Almost surely, 2^224564421 is an apocalyptic number.

It is an amenable number.

224564421 is a deficient number, since it is larger than the sum of its proper divisors (83335227).

224564421 is a wasteful number, since it uses less digits than its factorization.

224564421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052.

The product of its digits is 15360, while the sum is 30.

The square root of 224564421 is about 14985.4736661875. The cubic root of 224564421 is about 607.8274601662.

It can be divided in two parts, 2245 and 64421, that added together give a palindrome (66666).

The spelling of 224564421 in words is "two hundred twenty-four million, five hundred sixty-four thousand, four hundred twenty-one".