224231425 has 24 divisors (see below), whose sum is σ = 308319552. Its totient is φ = 160392000.

The previous prime is 224231417. The next prime is 224231429. The reversal of 224231425 is 524132422.

It is not a de Polignac number, because 224231425 - 2³ = 224231417 is a prime.

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

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 224231425.

It is not an unprimeable number, because it can be changed into a prime (224231429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10092 + ... + 23458.

It is an arithmetic number, because the mean of its divisors is an integer number (12846648).

It is a Proth number, since it is equal to 6843 ⋅ 2¹⁵ + 1 and 6843 < 2¹⁵.

Almost surely, 2^224231425 is an apocalyptic number.

224231425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224231425 is a deficient number, since it is larger than the sum of its proper divisors (84088127).

224231425 is a wasteful number, since it uses less digits than its factorization.

224231425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449 (or 13444 counting only the distinct ones).

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

The square root of 224231425 is about 14974.3589178302. The cubic root of 224231425 is about 607.5268719732.

Adding to 224231425 its reverse (524132422), we get a palindrome (748363847).

The spelling of 224231425 in words is "two hundred twenty-four million, two hundred thirty-one thousand, four hundred twenty-five".