2304522 has 48 divisors (see below), whose sum is σ = 5548608. Its totient is φ = 685440.

The previous prime is 2304521. The next prime is 2304527. The reversal of 2304522 is 2254032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2304495 and 2304504.

It is not an unprimeable number, because it can be changed into a prime (2304521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20338 + ... + 20450.

It is an arithmetic number, because the mean of its divisors is an integer number (115596).

2^2304522 is an apocalyptic number.

2304522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2304522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774304).

2304522 is an abundant number, since it is smaller than the sum of its proper divisors (3244086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2304522 is a wasteful number, since it uses less digits than its factorization.

2304522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2304522 is about 1518.0652159904. The cubic root of 2304522 is about 132.0870637745.

Adding to 2304522 its reverse (2254032), we get a palindrome (4558554).

The spelling of 2304522 in words is "two million, three hundred four thousand, five hundred twenty-two".