224310997 has 2 divisors, whose sum is σ = 224310998. Its totient is φ = 224310996.

The previous prime is 224310949. The next prime is 224311033. The reversal of 224310997 is 799013422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148864401 + 75446596 = 12201^2 + 8686^2 .

It is a cyclic number.

It is not a de Polignac number, because 224310997 - 2¹⁹ = 223786709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224310917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112155498 + 112155499.

It is an arithmetic number, because the mean of its divisors is an integer number (112155499).

Almost surely, 2^224310997 is an apocalyptic number.

It is an amenable number.

224310997 is a deficient number, since it is larger than the sum of its proper divisors (1).

224310997 is an equidigital number, since it uses as much as digits as its factorization.

224310997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 224310997 is about 14977.0156239486. The cubic root of 224310997 is about 607.5987269196.

The spelling of 224310997 in words is "two hundred twenty-four million, three hundred ten thousand, nine hundred ninety-seven".