224303157 has 12 divisors (see below), whose sum is σ = 348916204. Its totient is φ = 138032640.

The previous prime is 224303147. The next prime is 224303201. The reversal of 224303157 is 751303422.

It can be written as a sum of positive squares in 2 ways, for example, as 48316401 + 175986756 = 6951^2 + 13266^2 .

It is not a de Polignac number, because 224303157 - 2⁸ = 224302901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224303157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224303147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958444 + ... + 958677.

Almost surely, 2^224303157 is an apocalyptic number.

It is an amenable number.

224303157 is a deficient number, since it is larger than the sum of its proper divisors (124613047).

224303157 is a wasteful number, since it uses less digits than its factorization.

224303157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917140 (or 1917137 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 224303157 is about 14976.7538872748. The cubic root of 224303157 is about 607.5916480134.

Adding to 224303157 its reverse (751303422), we get a palindrome (975606579).

The spelling of 224303157 in words is "two hundred twenty-four million, three hundred three thousand, one hundred fifty-seven".