253336224 has 24 divisors (see below), whose sum is σ = 665007840. Its totient is φ = 84445376.

The previous prime is 253336219. The next prime is 253336229. The reversal of 253336224 is 422633352.

It is an interprime number because it is at equal distance from previous prime (253336219) and next prime (253336229).

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 253336191 and 253336200.

It is not an unprimeable number, because it can be changed into a prime (253336229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319364 + ... + 1319555.

It is an arithmetic number, because the mean of its divisors is an integer number (27708660).

Almost surely, 2^253336224 is an apocalyptic number.

253336224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253336224 is an abundant number, since it is smaller than the sum of its proper divisors (411671616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253336224 is a wasteful number, since it uses less digits than its factorization.

253336224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638932 (or 2638924 counting only the distinct ones).

The product of its digits is 25920, while the sum is 30.

The square root of 253336224 is about 15916.5393223527. The cubic root of 253336224 is about 632.7504038554.

Adding to 253336224 its reverse (422633352), we get a palindrome (675969576).

The spelling of 253336224 in words is "two hundred fifty-three million, three hundred thirty-six thousand, two hundred twenty-four".