10215228 has 24 divisors (see below), whose sum is σ = 23887360. Its totient is φ = 3397680.

The previous prime is 10215211. The next prime is 10215229. The reversal of 10215228 is 82251201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9813 + ... + 10803.

Almost surely, 2^10215228 is an apocalyptic number.

It is an amenable number.

10215228 is an abundant number, since it is smaller than the sum of its proper divisors (13672132).

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

10215228 is a wasteful number, since it uses less digits than its factorization.

10215228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 10215228 is about 3196.1270312677. The cubic root of 10215228 is about 216.9781597223.

Adding to 10215228 its reverse (82251201), we get a palindrome (92466429).

The spelling of 10215228 in words is "ten million, two hundred fifteen thousand, two hundred twenty-eight".