224040425 has 12 divisors (see below), whose sum is σ = 317497536. Its totient is φ = 153627600.

The previous prime is 224040409. The next prime is 224040437. The reversal of 224040425 is 524040422.

It is not a de Polignac number, because 224040425 - 2⁴ = 224040409 is a prime.

It is a super-2 number, since 2×224040425² = 100388224068361250, which contains 22 as substring.

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 224040425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639941 + ... + 640290.

It is an arithmetic number, because the mean of its divisors is an integer number (26458128).

Almost surely, 2^224040425 is an apocalyptic number.

224040425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224040425 is a deficient number, since it is larger than the sum of its proper divisors (93457111).

224040425 is a wasteful number, since it uses less digits than its factorization.

224040425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280248 (or 1280243 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 224040425 is about 14967.9799906333. The cubic root of 224040425 is about 607.3543261387.

Adding to 224040425 its reverse (524040422), we get a palindrome (748080847).

The spelling of 224040425 in words is "two hundred twenty-four million, forty thousand, four hundred twenty-five".