10221876 has 60 divisors (see below), whose sum is σ = 30546208. Its totient is φ = 2919888.

The previous prime is 10221863. The next prime is 10221877. The reversal of 10221876 is 67812201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221877) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15 + ... + 4521.

Almost surely, 2^10221876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15273104).

10221876 is an abundant number, since it is smaller than the sum of its proper divisors (20324332).

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

10221876 is a wasteful number, since it uses less digits than its factorization.

10221876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530 (or 4519 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 10221876 is about 3197.1668708405. The cubic root of 10221876 is about 217.0252188123.

The spelling of 10221876 in words is "ten million, two hundred twenty-one thousand, eight hundred seventy-six".