2522273620 has 24 divisors (see below), whose sum is σ = 5303766888. Its totient is φ = 1007577600.

The previous prime is 2522273599. The next prime is 2522273623. The reversal of 2522273620 is 263722252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5846724 + 2516426896 = 2418^2 + 50164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522273623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67641 + ... + 98080.

It is an arithmetic number, because the mean of its divisors is an integer number (220990287).

Almost surely, 2^2522273620 is an apocalyptic number.

2522273620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522273620 is an abundant number, since it is smaller than the sum of its proper divisors (2781493268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2522273620 is a wasteful number, since it uses less digits than its factorization.

2522273620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166491 (or 166489 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 2522273620 is about 50222.2422836735. The cubic root of 2522273620 is about 1361.2275573116.

Adding to 2522273620 its reverse (263722252), we get a palindrome (2785995872).

The spelling of 2522273620 in words is "two billion, five hundred twenty-two million, two hundred seventy-three thousand, six hundred twenty".