2221603041 has 32 divisors (see below), whose sum is σ = 3479224320. Its totient is φ = 1234525824.

The previous prime is 2221603039. The next prime is 2221603073. The reversal of 2221603041 is 1403061222.

It is not a de Polignac number, because 2221603041 - 2¹ = 2221603039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2221602999 and 2221603017.

It is not an unprimeable number, because it can be changed into a prime (2221603001) 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, 205120 + ... + 215678.

It is an arithmetic number, because the mean of its divisors is an integer number (108725760).

Almost surely, 2^2221603041 is an apocalyptic number.

2221603041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2221603041 is a deficient number, since it is larger than the sum of its proper divisors (1257621279).

2221603041 is a wasteful number, since it uses less digits than its factorization.

2221603041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2221603041 is about 47133.8842129524. The cubic root of 2221603041 is about 1304.8346685046.

Adding to 2221603041 its reverse (1403061222), we get a palindrome (3624664263).

The spelling of 2221603041 in words is "two billion, two hundred twenty-one million, six hundred three thousand, forty-one".