223242425 has 24 divisors (see below), whose sum is σ = 317241600. Its totient is φ = 152657280.

The previous prime is 223242403. The next prime is 223242443. The reversal of 223242425 is 524242322.

It is a happy number.

It is not a de Polignac number, because 223242425 - 2⁸ = 223242169 is a prime.

It is a super-3 number, since 3×223242425³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223242394 and 223242403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70016 + ... + 73134.

It is an arithmetic number, because the mean of its divisors is an integer number (13218400).

Almost surely, 2^223242425 is an apocalyptic number.

223242425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223242425 is a deficient number, since it is larger than the sum of its proper divisors (93999175).

223242425 is a wasteful number, since it uses less digits than its factorization.

223242425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 3540 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 223242425 is about 14941.2993076238. The cubic root of 223242425 is about 606.6323651593.

Adding to 223242425 its reverse (524242322), we get a palindrome (747484747).

The spelling of 223242425 in words is "two hundred twenty-three million, two hundred forty-two thousand, four hundred twenty-five".