10402223 has 4 divisors (see below), whose sum is σ = 11202408. Its totient is φ = 9602040.

The previous prime is 10402211. The next prime is 10402229. The reversal of 10402223 is 32220401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32220401 = 23 ⋅1400887.

It is a cyclic number.

It is not a de Polignac number, because 10402223 - 2⁴ = 10402207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10402198 and 10402207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402229) 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, 400073 + ... + 400098.

It is an arithmetic number, because the mean of its divisors is an integer number (2800602).

Almost surely, 2^10402223 is an apocalyptic number.

10402223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10402223 is a deficient number, since it is larger than the sum of its proper divisors (800185).

10402223 is an equidigital number, since it uses as much as digits as its factorization.

10402223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800184.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 10402223 is about 3225.2477424223. The cubic root of 10402223 is about 218.2941278528.

Adding to 10402223 its reverse (32220401), we get a palindrome (42622624).

The spelling of 10402223 in words is "ten million, four hundred two thousand, two hundred twenty-three".