224387157 has 8 divisors (see below), whose sum is σ = 300296160. Its totient is φ = 149034800.

The previous prime is 224387143. The next prime is 224387167. The reversal of 224387157 is 751783422.

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

It is a cyclic number.

It is not a de Polignac number, because 224387157 - 2⁸ = 224386901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224387117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138219 + ... + 139832.

It is an arithmetic number, because the mean of its divisors is an integer number (37537020).

Almost surely, 2^224387157 is an apocalyptic number.

It is an amenable number.

224387157 is a deficient number, since it is larger than the sum of its proper divisors (75909003).

224387157 is a wasteful number, since it uses less digits than its factorization.

224387157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278323.

The product of its digits is 94080, while the sum is 39.

The square root of 224387157 is about 14979.5579707814. The cubic root of 224387157 is about 607.6674848545.

The spelling of 224387157 in words is "two hundred twenty-four million, three hundred eighty-seven thousand, one hundred fifty-seven".