10221536 has 24 divisors (see below), whose sum is σ = 21672504. Its totient is φ = 4717440.

The previous prime is 10221521. The next prime is 10221551. The reversal of 10221536 is 63512201.

It is an interprime number because it is at equal distance from previous prime (10221521) and next prime (10221551).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11870 + ... + 12701.

It is an arithmetic number, because the mean of its divisors is an integer number (903021).

Almost surely, 2^10221536 is an apocalyptic number.

10221536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10221536 is an abundant number, since it is smaller than the sum of its proper divisors (11450968).

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

10221536 is a wasteful number, since it uses less digits than its factorization.

10221536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24594 (or 24586 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 10221536 is about 3197.1136983223. The cubic root of 10221536 is about 217.0228125549.

Adding to 10221536 its reverse (63512201), we get a palindrome (73733737).

The spelling of 10221536 in words is "ten million, two hundred twenty-one thousand, five hundred thirty-six".