2522215212 has 48 divisors (see below), whose sum is σ = 6462753024. Its totient is φ = 759240000.

The previous prime is 2522215169. The next prime is 2522215247. The reversal of 2522215212 is 2125122252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43339 + ... + 83202.

It is an arithmetic number, because the mean of its divisors is an integer number (134640688).

Almost surely, 2^2522215212 is an apocalyptic number.

2522215212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2522215212 is an abundant number, since it is smaller than the sum of its proper divisors (3940537812).

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

2522215212 is a wasteful number, since it uses less digits than its factorization.

2522215212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126710 (or 126708 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 2522215212 is about 50221.6607849641. The cubic root of 2522215212 is about 1361.2170499672.

Adding to 2522215212 its reverse (2125122252), we get a palindrome (4647337464).

The spelling of 2522215212 in words is "two billion, five hundred twenty-two million, two hundred fifteen thousand, two hundred twelve".