220007071 has 2 divisors, whose sum is σ = 220007072. Its totient is φ = 220007070.

The previous prime is 220007063. The next prime is 220007089. The reversal of 220007071 is 170700022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220007071 - 2³ = 220007063 is a prime.

It is a super-2 number, since 2×220007071² = 96806222579998082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220007171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110003535 + 110003536.

It is an arithmetic number, because the mean of its divisors is an integer number (110003536).

Almost surely, 2^220007071 is an apocalyptic number.

220007071 is a deficient number, since it is larger than the sum of its proper divisors (1).

220007071 is an equidigital number, since it uses as much as digits as its factorization.

220007071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 220007071 is about 14832.6353356374. The cubic root of 220007071 is about 603.6875412300.

Adding to 220007071 its reverse (170700022), we get a palindrome (390707093).

The spelling of 220007071 in words is "two hundred twenty million, seven thousand, seventy-one".