2249923 has 8 divisors (see below), whose sum is σ = 2550800. Its totient is φ = 1967328.

The previous prime is 2249921. The next prime is 2249941. The reversal of 2249923 is 3299422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2249923 - 2¹ = 2249921 is a prime.

It is a Duffinian number.

2249923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2249921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (318850).

2^2249923 is an apocalyptic number.

2249923 is a deficient number, since it is larger than the sum of its proper divisors (300877).

2249923 is a wasteful number, since it uses less digits than its factorization.

2249923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141.

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

The square root of 2249923 is about 1499.9743331137. The cubic root of 2249923 is about 131.0355749002.

It can be divided in two parts, 22499 and 23, that added together give a palindrome (22522).

The spelling of 2249923 in words is "two million, two hundred forty-nine thousand, nine hundred twenty-three".