224573137 has 4 divisors (see below), whose sum is σ = 228810420. Its totient is φ = 220335856.

The previous prime is 224573123. The next prime is 224573159. The reversal of 224573137 is 731375422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731375422 = 2 ⋅365687711.

It can be written as a sum of positive squares in 2 ways, for example, as 112869376 + 111703761 = 10624^2 + 10569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224573137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224573117) 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, 2118562 + ... + 2118667.

It is an arithmetic number, because the mean of its divisors is an integer number (57202605).

Almost surely, 2^224573137 is an apocalyptic number.

It is an amenable number.

224573137 is a deficient number, since it is larger than the sum of its proper divisors (4237283).

224573137 is an equidigital number, since it uses as much as digits as its factorization.

224573137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237282.

The product of its digits is 35280, while the sum is 34.

The square root of 224573137 is about 14985.7644783308. The cubic root of 224573137 is about 607.8353239165.

The spelling of 224573137 in words is "two hundred twenty-four million, five hundred seventy-three thousand, one hundred thirty-seven".