2645522 has 16 divisors (see below), whose sum is σ = 4557600. Its totient is φ = 1139040.

The previous prime is 2645521. The next prime is 2645527. The reversal of 2645522 is 2255462.

It is a d-powerful number, because it can be written as 2³ + 6⁷ + 4⁹ + 5⁵ + 5⁵ + 2⁵ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2645491 and 2645500.

It is not an unprimeable number, because it can be changed into a prime (2645521) 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, 2747 + ... + 3582.

It is an arithmetic number, because the mean of its divisors is an integer number (284850).

2^2645522 is an apocalyptic number.

2645522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2645522 is a deficient number, since it is larger than the sum of its proper divisors (1912078).

2645522 is a wasteful number, since it uses less digits than its factorization.

2645522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6361.

The product of its digits is 4800, while the sum is 26.

The square root of 2645522 is about 1626.5060713075. The cubic root of 2645522 is about 138.3047595053.

The spelling of 2645522 in words is "two million, six hundred forty-five thousand, five hundred twenty-two".