2005820222 has 16 divisors (see below), whose sum is σ = 3511710720. Its totient is φ = 841346808.

The previous prime is 2005820221. The next prime is 2005820231. The reversal of 2005820222 is 2220285002.

It is a happy number.

It is a super-3 number, since 3×2005820222³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005820221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523522 + ... + 1524837.

It is an arithmetic number, because the mean of its divisors is an integer number (219481920).

Almost surely, 2^2005820222 is an apocalyptic number.

2005820222 is a deficient number, since it is larger than the sum of its proper divisors (1505890498).

2005820222 is a wasteful number, since it uses less digits than its factorization.

2005820222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048415.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2005820222 is about 44786.3843372068. The cubic root of 2005820222 is about 1261.1420362932.

The spelling of 2005820222 in words is "two billion, five million, eight hundred twenty thousand, two hundred twenty-two".