223531025 has 12 divisors (see below), whose sum is σ = 279772272. Its totient is φ = 177151440.

The previous prime is 223531001. The next prime is 223531027. The reversal of 223531025 is 520135322.

It is not a de Polignac number, because 223531025 - 2¹² = 223526929 is a prime.

It is a super-2 number, since 2×223531025² = 99932238275101250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223531027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39107 + ... + 44456.

It is an arithmetic number, because the mean of its divisors is an integer number (23314356).

Almost surely, 2^223531025 is an apocalyptic number.

223531025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223531025 is a deficient number, since it is larger than the sum of its proper divisors (56241247).

223531025 is a wasteful number, since it uses less digits than its factorization.

223531025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83680 (or 83675 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 223531025 is about 14950.9539829404. The cubic root of 223531025 is about 606.8936636281.

Adding to 223531025 its reverse (520135322), we get a palindrome (743666347).

The spelling of 223531025 in words is "two hundred twenty-three million, five hundred thirty-one thousand, twenty-five".