224872157 has 8 divisors (see below), whose sum is σ = 229981440. Its totient is φ = 219819600.

The previous prime is 224872139. The next prime is 224872159. The reversal of 224872157 is 751278422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224872157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224872157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224872159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6113 + ... + 22070.

It is an arithmetic number, because the mean of its divisors is an integer number (28747680).

Almost surely, 2^224872157 is an apocalyptic number.

It is an amenable number.

224872157 is a deficient number, since it is larger than the sum of its proper divisors (5109283).

224872157 is a wasteful number, since it uses less digits than its factorization.

224872157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28363.

The product of its digits is 62720, while the sum is 38.

The square root of 224872157 is about 14995.7379611675. The cubic root of 224872157 is about 608.1049826292.

The spelling of 224872157 in words is "two hundred twenty-four million, eight hundred seventy-two thousand, one hundred fifty-seven".