2523622 has 16 divisors (see below), whose sum is σ = 3953520. Its totient is φ = 1207008.

The previous prime is 2523593. The next prime is 2523641. The reversal of 2523622 is 2263252.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁷ + 5⁹ + 2¹⁷ + 3¹¹ + 6 + 2¹⁷ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2523593 and 2523602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4704 + ... + 5212.

It is an arithmetic number, because the mean of its divisors is an integer number (247095).

2^2523622 is an apocalyptic number.

2523622 is a deficient number, since it is larger than the sum of its proper divisors (1429898).

2523622 is a wasteful number, since it uses less digits than its factorization.

2523622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 1440, while the sum is 22.

The square root of 2523622 is about 1588.5911997742. The cubic root of 2523622 is about 136.1470079908.

Adding to 2523622 its reverse (2263252), we get a palindrome (4786874).

The spelling of 2523622 in words is "two million, five hundred twenty-three thousand, six hundred twenty-two".