223325031 has 32 divisors (see below), whose sum is σ = 320532480. Its totient is φ = 137894400.

The previous prime is 223324999. The next prime is 223325071. The reversal of 223325031 is 130523322.

It is not a de Polignac number, because 223325031 - 2⁵ = 223324999 is a prime.

It is a super-2 number, since 2×223325031² = 99748138942301922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223324989 and 223325007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223325071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794611 + ... + 794891.

It is an arithmetic number, because the mean of its divisors is an integer number (10016640).

Almost surely, 2^223325031 is an apocalyptic number.

223325031 is a deficient number, since it is larger than the sum of its proper divisors (97207449).

223325031 is a wasteful number, since it uses less digits than its factorization.

223325031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 223325031 is about 14944.0634032381. The cubic root of 223325031 is about 606.7071796329.

Adding to 223325031 its reverse (130523322), we get a palindrome (353848353).

The spelling of 223325031 in words is "two hundred twenty-three million, three hundred twenty-five thousand, thirty-one".