10221252 has 24 divisors (see below), whose sum is σ = 24207456. Its totient is φ = 3355968.

The previous prime is 10221247. The next prime is 10221283. The reversal of 10221252 is 25212201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5553 + ... + 7160.

It is an arithmetic number, because the mean of its divisors is an integer number (1008644).

Almost surely, 2^10221252 is an apocalyptic number.

10221252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221252 is an abundant number, since it is smaller than the sum of its proper divisors (13986204).

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

10221252 is a wasteful number, since it uses less digits than its factorization.

10221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12787 (or 12785 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10221252 is about 3197.0692829527. The cubic root of 10221252 is about 217.0208025814.

Adding to 10221252 its reverse (25212201), we get a palindrome (35433453).

The spelling of 10221252 in words is "ten million, two hundred twenty-one thousand, two hundred fifty-two".