2221007 has 2 divisors, whose sum is σ = 2221008. Its totient is φ = 2221006.

The previous prime is 2220979. The next prime is 2221019. The reversal of 2221007 is 7001222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221007 - 2¹⁴ = 2204623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220982 and 2221000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221097) 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 as a sum of consecutive naturals, namely, 1110503 + 1110504.

It is an arithmetic number, because the mean of its divisors is an integer number (1110504).

2^2221007 is an apocalyptic number.

2221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221007 is an equidigital number, since it uses as much as digits as its factorization.

2221007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2221007 is about 1490.3043313364. The cubic root of 2221007 is about 130.4717965309.

Adding to 2221007 its reverse (7001222), we get a palindrome (9222229).

The spelling of 2221007 in words is "two million, two hundred twenty-one thousand, seven".