2242523 has 4 divisors (see below), whose sum is σ = 2340048. Its totient is φ = 2145000.

The previous prime is 2242519. The next prime is 2242529. The reversal of 2242523 is 3252422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3252422 = 2 ⋅1626211.

It is a cyclic number.

It is not a de Polignac number, because 2242523 - 2² = 2242519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2242495 and 2242504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48728 + ... + 48773.

It is an arithmetic number, because the mean of its divisors is an integer number (585012).

2^2242523 is an apocalyptic number.

2242523 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2242523 is a deficient number, since it is larger than the sum of its proper divisors (97525).

2242523 is an equidigital number, since it uses as much as digits as its factorization.

2242523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97524.

The product of its digits is 960, while the sum is 20.

The square root of 2242523 is about 1497.5055926440. The cubic root of 2242523 is about 130.8917583820.

Adding to 2242523 its reverse (3252422), we get a palindrome (5494945).

The spelling of 2242523 in words is "two million, two hundred forty-two thousand, five hundred twenty-three".