224020425 has 12 divisors (see below), whose sum is σ = 370380560. Its totient is φ = 119477520.

The previous prime is 224020417. The next prime is 224020427. The reversal of 224020425 is 524020422.

It is not a de Polignac number, because 224020425 - 2³ = 224020417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224020427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1493395 + ... + 1493544.

Almost surely, 2^224020425 is an apocalyptic number.

224020425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224020425 is a deficient number, since it is larger than the sum of its proper divisors (146360135).

224020425 is a wasteful number, since it uses less digits than its factorization.

224020425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986952 (or 2986947 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 224020425 is about 14967.3118829000. The cubic root of 224020425 is about 607.3362528408.

Adding to 224020425 its reverse (524020422), we get a palindrome (748040847).

The spelling of 224020425 in words is "two hundred twenty-four million, twenty thousand, four hundred twenty-five".