224709497 has 2 divisors, whose sum is σ = 224709498. Its totient is φ = 224709496.

The previous prime is 224709493. The next prime is 224709503. The reversal of 224709497 is 794907422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116985856 + 107723641 = 10816^2 + 10379^2 .

It is a cyclic number.

It is not a de Polignac number, because 224709497 - 2² = 224709493 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224709493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112354748 + 112354749.

It is an arithmetic number, because the mean of its divisors is an integer number (112354749).

Almost surely, 2^224709497 is an apocalyptic number.

It is an amenable number.

224709497 is a deficient number, since it is larger than the sum of its proper divisors (1).

224709497 is an equidigital number, since it uses as much as digits as its factorization.

224709497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 224709497 is about 14990.3134390179. The cubic root of 224709497 is about 607.9583241647.

The spelling of 224709497 in words is "two hundred twenty-four million, seven hundred nine thousand, four hundred ninety-seven".