2224425 has 48 divisors (see below), whose sum is σ = 4444160. Its totient is φ = 959040.

The previous prime is 2224379. The next prime is 2224429. The reversal of 2224425 is 5244222.

2224425 = 343² + 344² + ... + 360².

It is not a de Polignac number, because 2224425 - 2¹¹ = 2222377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

2224425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2224429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9864 + ... + 10086.

2^2224425 is an apocalyptic number.

2224425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2224425 is a deficient number, since it is larger than the sum of its proper divisors (2219735).

2224425 is a wasteful number, since it uses less digits than its factorization.

2224425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 257 counting only the distinct ones).

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

The square root of 2224425 is about 1491.4506361258. The cubic root of 2224425 is about 130.5386917171.

Adding to 2224425 its reverse (5244222), we get a palindrome (7468647).

The spelling of 2224425 in words is "two million, two hundred twenty-four thousand, four hundred twenty-five".