223015425 has 12 divisors (see below), whose sum is σ = 368718960. Its totient is φ = 118941520.

The previous prime is 223015421. The next prime is 223015427. The reversal of 223015425 is 524510322.

It is not a de Polignac number, because 223015425 - 2² = 223015421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223015395 and 223015404.

It is not an unprimeable number, because it can be changed into a prime (223015421) 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, 1486695 + ... + 1486844.

It is an arithmetic number, because the mean of its divisors is an integer number (30726580).

Almost surely, 2^223015425 is an apocalyptic number.

223015425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223015425 is a deficient number, since it is larger than the sum of its proper divisors (145703535).

223015425 is a wasteful number, since it uses less digits than its factorization.

223015425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973552 (or 2973547 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 223015425 is about 14933.7009813375. The cubic root of 223015425 is about 606.4266810654.

Adding to 223015425 its reverse (524510322), we get a palindrome (747525747).

The spelling of 223015425 in words is "two hundred twenty-three million, fifteen thousand, four hundred twenty-five".