2522145 has 8 divisors (see below), whose sum is σ = 4035456. Its totient is φ = 1345136.

The previous prime is 2522119. The next prime is 2522147. The reversal of 2522145 is 5412252.

It is a happy number.

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 2522145 - 2⁷ = 2522017 is a prime.

It is a super-2 number, since 2×2522145² = 12722430802050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2522147) 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, 84057 + ... + 84086.

It is an arithmetic number, because the mean of its divisors is an integer number (504432).

2^2522145 is an apocalyptic number.

It is an amenable number.

2522145 is a deficient number, since it is larger than the sum of its proper divisors (1513311).

2522145 is a wasteful number, since it uses less digits than its factorization.

2522145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168151.

The product of its digits is 800, while the sum is 21.

The square root of 2522145 is about 1588.1262544269. The cubic root of 2522145 is about 136.1204418920.

Adding to 2522145 its reverse (5412252), we get a palindrome (7934397).

The spelling of 2522145 in words is "two million, five hundred twenty-two thousand, one hundred forty-five".