224494129 has 4 divisors (see below), whose sum is σ = 237699684. Its totient is φ = 211288576.

The previous prime is 224494121. The next prime is 224494141. The reversal of 224494129 is 921494422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 921494422 = 2 ⋅460747211.

It can be written as a sum of positive squares in 2 ways, for example, as 67568400 + 156925729 = 8220^2 + 12527^2 .

It is a cyclic number.

It is not a de Polignac number, because 224494129 - 2³ = 224494121 is a prime.

It is a super-2 number, since 2×224494129² = 100795227910937282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224494121) 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 in 3 ways as a sum of consecutive naturals, for example, 6602752 + ... + 6602785.

It is an arithmetic number, because the mean of its divisors is an integer number (59424921).

Almost surely, 2^224494129 is an apocalyptic number.

It is an amenable number.

224494129 is a deficient number, since it is larger than the sum of its proper divisors (13205555).

224494129 is a wasteful number, since it uses less digits than its factorization.

224494129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13205554.

The product of its digits is 41472, while the sum is 37.

The square root of 224494129 is about 14983.1281446833. The cubic root of 224494129 is about 607.7640338729.

The spelling of 224494129 in words is "two hundred twenty-four million, four hundred ninety-four thousand, one hundred twenty-nine".