224922769 has 2 divisors, whose sum is σ = 224922770. Its totient is φ = 224922768.

The previous prime is 224922757. The next prime is 224922821. The reversal of 224922769 is 967229422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126675025 + 98247744 = 11255^2 + 9912^2 .

It is a cyclic number.

It is not a de Polignac number, because 224922769 - 2⁷ = 224922641 is a prime.

It is a super-2 number, since 2×224922769² = 101180504029254722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224922749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112461384 + 112461385.

It is an arithmetic number, because the mean of its divisors is an integer number (112461385).

Almost surely, 2^224922769 is an apocalyptic number.

It is an amenable number.

224922769 is a deficient number, since it is larger than the sum of its proper divisors (1).

224922769 is an equidigital number, since it uses as much as digits as its factorization.

224922769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 224922769 is about 14997.4254123833. The cubic root of 224922769 is about 608.1506012910.

The spelling of 224922769 in words is "two hundred twenty-four million, nine hundred twenty-two thousand, seven hundred sixty-nine".