2522154340 has 48 divisors (see below), whose sum is σ = 5613980400. Its totient is φ = 948518912.

The previous prime is 2522154329. The next prime is 2522154343. The reversal of 2522154340 is 434512252.

It can be written as a sum of positive squares in 8 ways, for example, as 11943936 + 2510210404 = 3456^2 + 50102^2 .

It is a super-2 number, since 2×2522154340² = 12722525029561671200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2522154299 and 2522154308.

It is not an unprimeable number, because it can be changed into a prime (2522154343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373716 + ... + 380404.

It is an arithmetic number, because the mean of its divisors is an integer number (116957925).

Almost surely, 2^2522154340 is an apocalyptic number.

2522154340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522154340 is an abundant number, since it is smaller than the sum of its proper divisors (3091826060).

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

2522154340 is a wasteful number, since it uses less digits than its factorization.

2522154340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824 (or 7822 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2522154340 is about 50221.0547479839. The cubic root of 2522154340 is about 1361.2060991873.

Adding to 2522154340 its reverse (434512252), we get a palindrome (2956666592).

The spelling of 2522154340 in words is "two billion, five hundred twenty-two million, one hundred fifty-four thousand, three hundred forty".