2544122 has 16 divisors (see below), whose sum is σ = 4551552. Its totient is φ = 1042800.

The previous prime is 2544121. The next prime is 2544131. The reversal of 2544122 is 2214452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2544094 and 2544103.

It is not an unprimeable number, because it can be changed into a prime (2544121) 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 7 ways as a sum of consecutive naturals, for example, 3629 + ... + 4272.

It is an arithmetic number, because the mean of its divisors is an integer number (284472).

2^2544122 is an apocalyptic number.

2544122 is a deficient number, since it is larger than the sum of its proper divisors (2007430).

2544122 is a wasteful number, since it uses less digits than its factorization.

2544122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933.

The product of its digits is 640, while the sum is 20.

The square root of 2544122 is about 1595.0304072337. The cubic root of 2544122 is about 136.5146660927.

Adding to 2544122 its reverse (2214452), we get a palindrome (4758574).

The spelling of 2544122 in words is "two million, five hundred forty-four thousand, one hundred twenty-two".