2522212240 has 40 divisors (see below), whose sum is σ = 5963546880. Its totient is φ = 991783296.

The previous prime is 2522212193. The next prime is 2522212241. The reversal of 2522212240 is 422122252.

2522212240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2522212241) 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, 262464 + ... + 271903.

It is an arithmetic number, because the mean of its divisors is an integer number (149088672).

Almost surely, 2^2522212240 is an apocalyptic number.

2522212240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522212240 is an abundant number, since it is smaller than the sum of its proper divisors (3441334640).

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

2522212240 is a wasteful number, since it uses less digits than its factorization.

2522212240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534439 (or 534433 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2522212240 is about 50221.6311961290. The cubic root of 2522212240 is about 1361.2165153130.

Adding to 2522212240 its reverse (422122252), we get a palindrome (2944334492).

The spelling of 2522212240 in words is "two billion, five hundred twenty-two million, two hundred twelve thousand, two hundred forty".