2523540222 has 24 divisors (see below), whose sum is σ = 6248766576. Its totient is φ = 721011456.

The previous prime is 2523540221. The next prime is 2523540223. The reversal of 2523540222 is 2220453252.

2523540222 is a `hidden beast` number, since 2 + 5 + 235 + 402 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (2523540221) and next prime (2523540223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523540221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10013923 + ... + 10014174.

It is an arithmetic number, because the mean of its divisors is an integer number (260365274).

Almost surely, 2^2523540222 is an apocalyptic number.

2523540222 is an abundant number, since it is smaller than the sum of its proper divisors (3725226354).

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

2523540222 is a wasteful number, since it uses less digits than its factorization.

2523540222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20028112 (or 20028109 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2523540222 is about 50234.8506716204. The cubic root of 2523540222 is about 1361.4553735977.

Adding to 2523540222 its reverse (2220453252), we get a palindrome (4743993474).

The spelling of 2523540222 in words is "two billion, five hundred twenty-three million, five hundred forty thousand, two hundred twenty-two".