2522250400 has 72 divisors (see below), whose sum is σ = 6212157084. Its totient is φ = 999936000.

The previous prime is 2522250391. The next prime is 2522250421. The reversal of 2522250400 is 40522252.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 697593744 + 1824656656 = 26412^2 + 42716^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76450 + ... + 104350.

Almost surely, 2^2522250400 is an apocalyptic number.

2522250400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2522250400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3106078542).

2522250400 is an abundant number, since it is smaller than the sum of its proper divisors (3689906684).

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

2522250400 is a wasteful number, since it uses less digits than its factorization.

2522250400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28034 (or 28021 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2522250400 is about 50222.0111106674. The cubic root of 2522250400 is about 1361.2233801543.

Adding to 2522250400 its reverse (40522252), we get a palindrome (2562772652).

The spelling of 2522250400 in words is "two billion, five hundred twenty-two million, two hundred fifty thousand, four hundred".