224892769 has 2 divisors, whose sum is σ = 224892770. Its totient is φ = 224892768.

The previous prime is 224892659. The next prime is 224892793. The reversal of 224892769 is 967298422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184633744 + 40259025 = 13588^2 + 6345^2 .

It is a cyclic number.

It is not a de Polignac number, because 224892769 - 2²⁷ = 90675041 is a prime.

It is a super-2 number, since 2×224892769² = 101153515096974722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224892469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112446384 + 112446385.

It is an arithmetic number, because the mean of its divisors is an integer number (112446385).

Almost surely, 2^224892769 is an apocalyptic number.

It is an amenable number.

224892769 is a deficient number, since it is larger than the sum of its proper divisors (1).

224892769 is an equidigital number, since it uses as much as digits as its factorization.

224892769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 224892769 is about 14996.4252073619. The cubic root of 224892769 is about 608.1235618923.

The spelling of 224892769 in words is "two hundred twenty-four million, eight hundred ninety-two thousand, seven hundred sixty-nine".