224872369 has 2 divisors, whose sum is σ = 224872370. Its totient is φ = 224872368.

The previous prime is 224872337. The next prime is 224872399. The reversal of 224872369 is 963278422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224400400 + 471969 = 14980^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 224872369 - 2⁵ = 224872337 is a prime.

It is a super-2 number, since 2×224872369² = 101135164679344322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224872399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112436184 + 112436185.

It is an arithmetic number, because the mean of its divisors is an integer number (112436185).

Almost surely, 2^224872369 is an apocalyptic number.

It is an amenable number.

224872369 is a deficient number, since it is larger than the sum of its proper divisors (1).

224872369 is an equidigital number, since it uses as much as digits as its factorization.

224872369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 224872369 is about 14995.7450298410. The cubic root of 224872369 is about 608.1051737277.

The spelling of 224872369 in words is "two hundred twenty-four million, eight hundred seventy-two thousand, three hundred sixty-nine".