220600001 has 2 divisors, whose sum is σ = 220600002. Its totient is φ = 220600000.

The previous prime is 220599989. The next prime is 220600021. The reversal of 220600001 is 100006022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219040000 + 1560001 = 14800^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 220600001 - 2²² = 216405697 is a prime.

It is not a weakly prime, because it can be changed into another prime (220600021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110300000 + 110300001.

It is an arithmetic number, because the mean of its divisors is an integer number (110300001).

Almost surely, 2^220600001 is an apocalyptic number.

It is an amenable number.

220600001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220600001 is an equidigital number, since it uses as much as digits as its factorization.

220600001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 220600001 is about 14852.6092320508. The cubic root of 220600001 is about 604.2293774134.

Adding to 220600001 its reverse (100006022), we get a palindrome (320606023).

The spelling of 220600001 in words is "two hundred twenty million, six hundred thousand, one".