224563623 has 16 divisors (see below), whose sum is σ = 302361696. Its totient is φ = 148245120.

The previous prime is 224563571. The next prime is 224563627. The reversal of 224563623 is 326365422.

224563623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224563623 - 2¹² = 224559527 is a prime.

It is a super-2 number, since 2×224563623² = 100857641549772258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224563627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149665 + ... + 151157.

It is an arithmetic number, because the mean of its divisors is an integer number (18897606).

Almost surely, 2^224563623 is an apocalyptic number.

224563623 is a deficient number, since it is larger than the sum of its proper divisors (77798073).

224563623 is a wasteful number, since it uses less digits than its factorization.

224563623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954.

The product of its digits is 51840, while the sum is 33.

The square root of 224563623 is about 14985.4470403789. The cubic root of 224563623 is about 607.8267401844.

The spelling of 224563623 in words is "two hundred twenty-four million, five hundred sixty-three thousand, six hundred twenty-three".