10225531 has 4 divisors (see below), whose sum is σ = 10324912. Its totient is φ = 10126152.

The previous prime is 10225519. The next prime is 10225561. The reversal of 10225531 is 13552201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10225531 - 2¹⁹ = 9701243 is a prime.

It is a super-2 number, since 2×10225531² = 209122968463922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10225499 and 10225508.

It is not an unprimeable number, because it can be changed into a prime (10225561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49536 + ... + 49741.

It is an arithmetic number, because the mean of its divisors is an integer number (2581228).

Almost surely, 2^10225531 is an apocalyptic number.

10225531 is a deficient number, since it is larger than the sum of its proper divisors (99381).

10225531 is an equidigital number, since it uses as much as digits as its factorization.

10225531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99380.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 10225531 is about 3197.7384195709. The cubic root of 10225531 is about 217.0510827095.

Adding to 10225531 its reverse (13552201), we get a palindrome (23777732).

The spelling of 10225531 in words is "ten million, two hundred twenty-five thousand, five hundred thirty-one".