220006651 has 2 divisors, whose sum is σ = 220006652. Its totient is φ = 220006650.

The previous prime is 220006621. The next prime is 220006669. The reversal of 220006651 is 156600022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220006651 - 2¹⁵ = 219973883 is a prime.

It is not a weakly prime, because it can be changed into another prime (220006621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110003325 + 110003326.

It is an arithmetic number, because the mean of its divisors is an integer number (110003326).

Almost surely, 2^220006651 is an apocalyptic number.

220006651 is a deficient number, since it is larger than the sum of its proper divisors (1).

220006651 is an equidigital number, since it uses as much as digits as its factorization.

220006651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 220006651 is about 14832.6211776611. The cubic root of 220006651 is about 603.6871570773.

Adding to 220006651 its reverse (156600022), we get a palindrome (376606673).

The spelling of 220006651 in words is "two hundred twenty million, six thousand, six hundred fifty-one".