224974517 has 2 divisors, whose sum is σ = 224974518. Its totient is φ = 224974516.

The previous prime is 224974441. The next prime is 224974537. The reversal of 224974517 is 715479422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220195921 + 4778596 = 14839^2 + 2186^2 .

It is a cyclic number.

It is not a de Polignac number, because 224974517 - 2⁸ = 224974261 is a prime.

It is a super-2 number, since 2×224974517² = 101227066598766578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224974537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112487258 + 112487259.

It is an arithmetic number, because the mean of its divisors is an integer number (112487259).

Almost surely, 2^224974517 is an apocalyptic number.

It is an amenable number.

224974517 is a deficient number, since it is larger than the sum of its proper divisors (1).

224974517 is an equidigital number, since it uses as much as digits as its factorization.

224974517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 224974517 is about 14999.1505426141. The cubic root of 224974517 is about 608.1972368010.

The spelling of 224974517 in words is "two hundred twenty-four million, nine hundred seventy-four thousand, five hundred seventeen".