2222182520 has 16 divisors (see below), whose sum is σ = 4999910760. Its totient is φ = 888872992.

The previous prime is 2222182511. The next prime is 2222182531. The reversal of 2222182520 is 252812222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222182520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27777242 + ... + 27777321.

Almost surely, 2^2222182520 is an apocalyptic number.

2222182520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222182520 is an abundant number, since it is smaller than the sum of its proper divisors (2777728240).

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

2222182520 is a wasteful number, since it uses less digits than its factorization.

2222182520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55554574 (or 55554570 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 2222182520 is about 47140.0309715639. The cubic root of 2222182520 is about 1304.9481088961.

Adding to 2222182520 its reverse (252812222), we get a palindrome (2474994742).

The spelling of 2222182520 in words is "two billion, two hundred twenty-two million, one hundred eighty-two thousand, five hundred twenty".