10229531 has 4 divisors (see below), whose sum is σ = 11016432. Its totient is φ = 9442632.

The previous prime is 10229519. The next prime is 10229537. The reversal of 10229531 is 13592201.

10229531 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10229531 is a prime.

It is a super-2 number, since 2×10229531² = 209286608959922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10229497 and 10229506.

It is not an unprimeable number, because it can be changed into a prime (10229537) 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, 393431 + ... + 393456.

It is an arithmetic number, because the mean of its divisors is an integer number (2754108).

Almost surely, 2^10229531 is an apocalyptic number.

10229531 is a deficient number, since it is larger than the sum of its proper divisors (786901).

10229531 is an equidigital number, since it uses as much as digits as its factorization.

10229531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786900.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 10229531 is about 3198.3638004455. The cubic root of 10229531 is about 217.0793808698.

The spelling of 10229531 in words is "ten million, two hundred twenty-nine thousand, five hundred thirty-one".