2221404075 has 48 divisors (see below), whose sum is σ = 4451798400. Its totient is φ = 1077040800.

The previous prime is 2221404071. The next prime is 2221404083. The reversal of 2221404075 is 5704041222.

It is not a de Polignac number, because 2221404075 - 2² = 2221404071 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2221404071) 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 47 ways as a sum of consecutive naturals, for example, 142165 + ... + 157014.

It is an arithmetic number, because the mean of its divisors is an integer number (92745800).

Almost surely, 2^2221404075 is an apocalyptic number.

2221404075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2221404075 is an abundant number, since it is smaller than the sum of its proper divisors (2230394325).

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

2221404075 is a wasteful number, since it uses less digits than its factorization.

2221404075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299209 (or 299198 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2221404075 is about 47131.7735185087. The cubic root of 2221404075 is about 1304.7957138277.

Adding to 2221404075 its reverse (5704041222), we get a palindrome (7925445297).

The spelling of 2221404075 in words is "two billion, two hundred twenty-one million, four hundred four thousand, seventy-five".