10402231 has 16 divisors (see below), whose sum is σ = 12268800. Its totient is φ = 8635968.

The previous prime is 10402229. The next prime is 10402241. The reversal of 10402231 is 13220401.

It is a cyclic number.

It is not a de Polignac number, because 10402231 - 2¹ = 10402229 is a prime.

It is a super-2 number, since 2×10402231² = 216412819554722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402201) 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, 36616 + ... + 36898.

It is an arithmetic number, because the mean of its divisors is an integer number (766800).

Almost surely, 2^10402231 is an apocalyptic number.

10402231 is a deficient number, since it is larger than the sum of its proper divisors (1866569).

10402231 is an equidigital number, since it uses as much as digits as its factorization.

10402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10402231 is about 3225.2489826368. The cubic root of 10402231 is about 218.2941838137.

Adding to 10402231 its reverse (13220401), we get a palindrome (23622632).

The spelling of 10402231 in words is "ten million, four hundred two thousand, two hundred thirty-one".