224012525 has 48 divisors (see below), whose sum is σ = 320122368. Its totient is φ = 153912000.

The previous prime is 224012513. The next prime is 224012531. The reversal of 224012525 is 525210422.

It is not a de Polignac number, because 224012525 - 2⁶ = 224012461 is a prime.

It is a super-2 number, since 2×224012525² = 100363222713751250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224012525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 676610 + ... + 676940.

It is an arithmetic number, because the mean of its divisors is an integer number (6669216).

Almost surely, 2^224012525 is an apocalyptic number.

224012525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224012525 is a deficient number, since it is larger than the sum of its proper divisors (96109843).

224012525 is a wasteful number, since it uses less digits than its factorization.

224012525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 224012525 is about 14967.0479721286. The cubic root of 224012525 is about 607.3291135918.

Adding to 224012525 its reverse (525210422), we get a palindrome (749222947).

The spelling of 224012525 in words is "two hundred twenty-four million, twelve thousand, five hundred twenty-five".