2112255522 has 32 divisors (see below), whose sum is σ = 5054972160. Its totient is φ = 649924560.

The previous prime is 2112255487. The next prime is 2112255533. The reversal of 2112255522 is 2255522112.

It is a happy number.

2112255522 is a `hidden beast` number, since 2 + 112 + 25 + 5 + 522 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503754 + ... + 1505157.

It is an arithmetic number, because the mean of its divisors is an integer number (157967880).

Almost surely, 2^2112255522 is an apocalyptic number.

2112255522 is an abundant number, since it is smaller than the sum of its proper divisors (2942716638).

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

2112255522 is a wasteful number, since it uses less digits than its factorization.

2112255522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008935 (or 3008929 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 2112255522 is about 45959.2811301482. The cubic root of 2112255522 is about 1283.0654720574.

Adding to 2112255522 its reverse (2255522112), we get a palindrome (4367777634).

The spelling of 2112255522 in words is "two billion, one hundred twelve million, two hundred fifty-five thousand, five hundred twenty-two".