220314641 has 2 divisors, whose sum is σ = 220314642. Its totient is φ = 220314640.

The previous prime is 220314637. The next prime is 220314659. The reversal of 220314641 is 146413022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219040000 + 1274641 = 14800^2 + 1129^2 .

It is a cyclic number.

It is not a de Polignac number, because 220314641 - 2² = 220314637 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220314541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110157320 + 110157321.

It is an arithmetic number, because the mean of its divisors is an integer number (110157321).

Almost surely, 2^220314641 is an apocalyptic number.

It is an amenable number.

220314641 is a deficient number, since it is larger than the sum of its proper divisors (1).

220314641 is an equidigital number, since it uses as much as digits as its factorization.

220314641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 220314641 is about 14842.9997305127. Note that the first 3 decimals coincide. The cubic root of 220314641 is about 603.9687287364.

Adding to 220314641 its reverse (146413022), we get a palindrome (366727663).

The spelling of 220314641 in words is "two hundred twenty million, three hundred fourteen thousand, six hundred forty-one".