224972317 has 2 divisors, whose sum is σ = 224972318. Its totient is φ = 224972316.

The previous prime is 224972311. The next prime is 224972347. The reversal of 224972317 is 713279422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202037796 + 22934521 = 14214^2 + 4789^2 .

It is a cyclic number.

It is not a de Polignac number, because 224972317 - 2³ = 224972309 is a prime.

It is a super-2 number, since 2×224972317² = 101225086832696978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224972311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112486158 + 112486159.

It is an arithmetic number, because the mean of its divisors is an integer number (112486159).

Almost surely, 2^224972317 is an apocalyptic number.

It is an amenable number.

224972317 is a deficient number, since it is larger than the sum of its proper divisors (1).

224972317 is an equidigital number, since it uses as much as digits as its factorization.

224972317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 224972317 is about 14999.0772049483. The cubic root of 224972317 is about 608.1952542975.

The spelling of 224972317 in words is "two hundred twenty-four million, nine hundred seventy-two thousand, three hundred seventeen".