2221200007 has 4 divisors (see below), whose sum is σ = 2392061560. Its totient is φ = 2050338456.

The previous prime is 2221200001. The next prime is 2221200011. The reversal of 2221200007 is 7000021222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221200007 - 2¹⁹ = 2220675719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221200001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85430757 + ... + 85430782.

It is an arithmetic number, because the mean of its divisors is an integer number (598015390).

Almost surely, 2^2221200007 is an apocalyptic number.

2221200007 is a deficient number, since it is larger than the sum of its proper divisors (170861553).

2221200007 is a wasteful number, since it uses less digits than its factorization.

2221200007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170861552.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2221200007 is about 47129.6086022365. The cubic root of 2221200007 is about 1304.7557578364.

Adding to 2221200007 its reverse (7000021222), we get a palindrome (9221221229).

The spelling of 2221200007 in words is "two billion, two hundred twenty-one million, two hundred thousand, seven".