10221292 has 24 divisors (see below), whose sum is σ = 18783072. Its totient is φ = 4857600.

The previous prime is 10221283. The next prime is 10221293. The reversal of 10221292 is 29212201.

It is not an unprimeable number, because it can be changed into a prime (10221293) 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, 21942 + ... + 22402.

It is an arithmetic number, because the mean of its divisors is an integer number (782628).

Almost surely, 2^10221292 is an apocalyptic number.

It is an amenable number.

10221292 is a deficient number, since it is larger than the sum of its proper divisors (8561780).

10221292 is a wasteful number, since it uses less digits than its factorization.

10221292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 10221292 is about 3197.0755386759. The cubic root of 10221292 is about 217.0210856786.

Adding to 10221292 its reverse (29212201), we get a palindrome (39433493).

The spelling of 10221292 in words is "ten million, two hundred twenty-one thousand, two hundred ninety-two".