10221526 has 16 divisors (see below), whose sum is σ = 17811360. Its totient is φ = 4308480.

The previous prime is 10221521. The next prime is 10221551. The reversal of 10221526 is 62512201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5131 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (1113210).

Almost surely, 2^10221526 is an apocalyptic number.

10221526 is a deficient number, since it is larger than the sum of its proper divisors (7589834).

10221526 is a wasteful number, since it uses less digits than its factorization.

10221526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10221526 is about 3197.1121344113. The cubic root of 10221526 is about 217.0227417819.

Adding to 10221526 its reverse (62512201), we get a palindrome (72733727).

The spelling of 10221526 in words is "ten million, two hundred twenty-one thousand, five hundred twenty-six".