224504643 has 16 divisors (see below), whose sum is σ = 334518912. Its totient is φ = 132744000.

The previous prime is 224504639. The next prime is 224504653. The reversal of 224504643 is 346405422.

224504643 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 224504643 - 2² = 224504639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224504643.

It is not an unprimeable number, because it can be changed into a prime (224504603) 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, 81613 + ... + 84318.

It is an arithmetic number, because the mean of its divisors is an integer number (20907432).

Almost surely, 2^224504643 is an apocalyptic number.

224504643 is a deficient number, since it is larger than the sum of its proper divisors (110014269).

224504643 is a wasteful number, since it uses less digits than its factorization.

224504643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165986.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 224504643 is about 14983.4790018874. The cubic root of 224504643 is about 607.7735217696.

The spelling of 224504643 in words is "two hundred twenty-four million, five hundred four thousand, six hundred forty-three".