220346051 has 2 divisors, whose sum is σ = 220346052. Its totient is φ = 220346050.

The previous prime is 220346039. The next prime is 220346153. The reversal of 220346051 is 150643022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220346051 - 2⁶ = 220345987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220346551) 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, 110173025 + 110173026.

It is an arithmetic number, because the mean of its divisors is an integer number (110173026).

Almost surely, 2^220346051 is an apocalyptic number.

220346051 is a deficient number, since it is larger than the sum of its proper divisors (1).

220346051 is an equidigital number, since it uses as much as digits as its factorization.

220346051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 220346051 is about 14844.0577673357. The cubic root of 220346051 is about 603.9974297436.

Adding to 220346051 its reverse (150643022), we get a palindrome (370989073).

The spelling of 220346051 in words is "two hundred twenty million, three hundred forty-six thousand, fifty-one".