10221903 has 16 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 6770808.

The previous prime is 10221901. The next prime is 10221919. The reversal of 10221903 is 30912201.

It is a happy number.

It is not a de Polignac number, because 10221903 - 2¹ = 10221901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3376 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^10221903 is an apocalyptic number.

10221903 is a deficient number, since it is larger than the sum of its proper divisors (5019057).

10221903 is a wasteful number, since it uses less digits than its factorization.

10221903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443 (or 2437 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10221903 is about 3197.1710933261. The cubic root of 10221903 is about 217.0254098951.

The spelling of 10221903 in words is "ten million, two hundred twenty-one thousand, nine hundred three".