2540222530 has 16 divisors (see below), whose sum is σ = 4575890880. Its totient is φ = 1015313392.

The previous prime is 2540222483. The next prime is 2540222533. The reversal of 2540222530 is 352220452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2540222495 and 2540222504.

It is not an unprimeable number, because it can be changed into a prime (2540222533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83104 + ... + 109483.

It is an arithmetic number, because the mean of its divisors is an integer number (285993180).

Almost surely, 2^2540222530 is an apocalyptic number.

2540222530 is a deficient number, since it is larger than the sum of its proper divisors (2035668350).

2540222530 is a wasteful number, since it uses less digits than its factorization.

2540222530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193913.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2540222530 is about 50400.6203334840. The cubic root of 2540222530 is about 1364.4488339970.

Adding to 2540222530 its reverse (352220452), we get a palindrome (2892442982).

The spelling of 2540222530 in words is "two billion, five hundred forty million, two hundred twenty-two thousand, five hundred thirty".