224420013025 has 12 divisors (see below), whose sum is σ = 299687033212. Its totient is φ = 165725547840.

The previous prime is 224420013019. The next prime is 224420013043. The reversal of 224420013025 is 520310024422.

It can be written as a sum of positive squares in 6 ways, for example, as 70006689 + 224350006336 = 8367^2 + 473656^2 .

It is not a de Polignac number, because 224420013025 - 2⁷ = 224420012897 is a prime.

It is a super-2 number, since 2×224420013025² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345261234 + ... + 345261883.

Almost surely, 2^224420013025 is an apocalyptic number.

224420013025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224420013025 is a deficient number, since it is larger than the sum of its proper divisors (75267020187).

224420013025 is a wasteful number, since it uses less digits than its factorization.

224420013025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690523140 (or 690523135 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 224420013025 its reverse (520310024422), we get a palindrome (744730037447).

The spelling of 224420013025 in words is "two hundred twenty-four billion, four hundred twenty million, thirteen thousand, twenty-five".