10225215 has 96 divisors (see below), whose sum is σ = 23901696. Its totient is φ = 3905280.

The previous prime is 10225199. The next prime is 10225223. The reversal of 10225215 is 51252201.

Added to its reverse (51252201) it gives a triangular number (61477416 = T₁₁₀₈₈).

10225215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10225215 - 2⁴ = 10225199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44932 + ... + 45158.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

Almost surely, 2^10225215 is an apocalyptic number.

10225215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10225215 is an abundant number, since it is smaller than the sum of its proper divisors (13676481).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10225215 is a wasteful number, since it uses less digits than its factorization.

10225215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 10225215 is about 3197.6890092690. The cubic root of 10225215 is about 217.0488468403.

Adding to 10225215 its reverse (51252201), we get a palindrome (61477416).

It can be divided in two parts, 10225 and 215, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 10225215 in words is "ten million, two hundred twenty-five thousand, two hundred fifteen".