2182001822 has 64 divisors (see below), whose sum is σ = 4402944000. Its totient is φ = 783233280.

The previous prime is 2182001821. The next prime is 2182001827. The reversal of 2182001822 is 2281002812.

It is a super-2 number, since 2×2182001822² = 9522263902422639368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 2182001791 and 2182001800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182001821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2079554 + ... + 2080602.

It is an arithmetic number, because the mean of its divisors is an integer number (68796000).

Almost surely, 2^2182001822 is an apocalyptic number.

2182001822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2182001822 is an abundant number, since it is smaller than the sum of its proper divisors (2220942178).

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

2182001822 is a wasteful number, since it uses less digits than its factorization.

2182001822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 2182001822 is about 46711.9023590348. The cubic root of 2182001822 is about 1297.0350222490.

It can be divided in two parts, 218200 and 1822, that added together give a palindrome (220022).

The spelling of 2182001822 in words is "two billion, one hundred eighty-two million, one thousand, eight hundred twenty-two".