2499223 has 4 divisors (see below), whose sum is σ = 2509920. Its totient is φ = 2488528.

The previous prime is 2499197. The next prime is 2499247. The reversal of 2499223 is 3229942.

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

It is a cyclic number.

It is not a de Polignac number, because 2499223 - 2¹³ = 2491031 is a prime.

It is a super-2 number, since 2×2499223² = 12492231207458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499253) 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, 4990 + ... + 5467.

It is an arithmetic number, because the mean of its divisors is an integer number (627480).

2^2499223 is an apocalyptic number.

2499223 is a deficient number, since it is larger than the sum of its proper divisors (10697).

2499223 is a wasteful number, since it uses less digits than its factorization.

2499223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10696.

The product of its digits is 7776, while the sum is 31.

The square root of 2499223 is about 1580.8931020154. The cubic root of 2499223 is about 135.7068186896.

The spelling of 2499223 in words is "two million, four hundred ninety-nine thousand, two hundred twenty-three".