2522261380 has 12 divisors (see below), whose sum is σ = 5296748940. Its totient is φ = 1008904544.

The previous prime is 2522261377. The next prime is 2522261393. The reversal of 2522261380 is 831622252.

It can be written as a sum of positive squares in 2 ways, for example, as 2015471236 + 506790144 = 44894^2 + 22512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63056515 + ... + 63056554.

It is an arithmetic number, because the mean of its divisors is an integer number (441395745).

Almost surely, 2^2522261380 is an apocalyptic number.

2522261380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522261380 is an abundant number, since it is smaller than the sum of its proper divisors (2774487560).

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

2522261380 is a wasteful number, since it uses less digits than its factorization.

2522261380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126113078 (or 126113076 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2522261380 is about 50222.1204251672. The cubic root of 2522261380 is about 1361.2253554024.

The spelling of 2522261380 in words is "two billion, five hundred twenty-two million, two hundred sixty-one thousand, three hundred eighty".