2522020445 has 24 divisors (see below), whose sum is σ = 3551728824. Its totient is φ = 1714062336.

The previous prime is 2522020441. The next prime is 2522020447. The reversal of 2522020445 is 5440202252.

It can be written as a sum of positive squares in 4 ways, for example, as 91431844 + 2430588601 = 9562^2 + 49301^2 .

It is not a de Polignac number, because 2522020445 - 2² = 2522020441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522020441) 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, 17864 + ... + 73233.

It is an arithmetic number, because the mean of its divisors is an integer number (147988701).

Almost surely, 2^2522020445 is an apocalyptic number.

It is an amenable number.

2522020445 is a deficient number, since it is larger than the sum of its proper divisors (1029708379).

2522020445 is a wasteful number, since it uses less digits than its factorization.

2522020445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91229 (or 91222 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2522020445 is about 50219.7216738604. The cubic root of 2522020445 is about 1361.1820110611.

Adding to 2522020445 its reverse (5440202252), we get a palindrome (7962222697).

The spelling of 2522020445 in words is "two billion, five hundred twenty-two million, twenty thousand, four hundred forty-five".