10229521 has 4 divisors (see below), whose sum is σ = 10325232. Its totient is φ = 10133812.

The previous prime is 10229519. The next prime is 10229537. The reversal of 10229521 is 12592201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12592201 = 23 ⋅547487.

It is a cyclic number.

It is not a de Polignac number, because 10229521 - 2¹ = 10229519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10229492 and 10229501.

It is not an unprimeable number, because it can be changed into a prime (10229561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47695 + ... + 47908.

It is an arithmetic number, because the mean of its divisors is an integer number (2581308).

Almost surely, 2^10229521 is an apocalyptic number.

It is an amenable number.

10229521 is a deficient number, since it is larger than the sum of its proper divisors (95711).

10229521 is an equidigital number, since it uses as much as digits as its factorization.

10229521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95710.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10229521 is about 3198.3622371458. The cubic root of 10229521 is about 217.0793101336.

The spelling of 10229521 in words is "ten million, two hundred twenty-nine thousand, five hundred twenty-one".