224298605538 has 162 divisors, whose sum is σ = 582367203873. Its totient is φ = 62208609120.

The previous prime is 224298605537. The next prime is 224298605551. The reversal of 224298605538 is 835506892422.

224298605538 is a `hidden beast` number, since 2 + 2 + 4 + 2 + 9 + 86 + 0 + 553 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 180962607609 + 43335997929 = 425397^2 + 208173^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334887.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (224298605537) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 520414183 + ... + 520414613.

Almost surely, 2^224298605538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224298605538

224298605538 is an abundant number, since it is smaller than the sum of its proper divisors (358068598335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224298605538 is an equidigital number, since it uses as much as digits as its factorization.

224298605538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 224298605538 in words is "two hundred twenty-four billion, two hundred ninety-eight million, six hundred five thousand, five hundred thirty-eight".