2221802466 has 16 divisors (see below), whose sum is σ = 4785420864. Its totient is φ = 683631504.

The previous prime is 2221802441. The next prime is 2221802551. The reversal of 2221802466 is 6642081222.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14242246 + ... + 14242401.

It is an arithmetic number, because the mean of its divisors is an integer number (299088804).

Almost surely, 2^2221802466 is an apocalyptic number.

2221802466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2221802466 is an abundant number, since it is smaller than the sum of its proper divisors (2563618398).

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

2221802466 is a wasteful number, since it uses less digits than its factorization.

2221802466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28484665.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 2221802466 is about 47135.9996817719. Note that the first 3 decimals coincide. The cubic root of 2221802466 is about 1304.8737107131.

Adding to 2221802466 its reverse (6642081222), we get a palindrome (8863883688).

The spelling of 2221802466 in words is "two billion, two hundred twenty-one million, eight hundred two thousand, four hundred sixty-six".