220686341 has 2 divisors, whose sum is σ = 220686342. Its totient is φ = 220686340.

The previous prime is 220686337. The next prime is 220686359. The reversal of 220686341 is 143686022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167702500 + 52983841 = 12950^2 + 7279^2 .

It is a cyclic number.

It is not a de Polignac number, because 220686341 - 2² = 220686337 is a prime.

It is a super-2 number, since 2×220686341² = 97404922207936562, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 220686298 and 220686307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220686331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110343170 + 110343171.

It is an arithmetic number, because the mean of its divisors is an integer number (110343171).

Almost surely, 2^220686341 is an apocalyptic number.

It is an amenable number.

220686341 is a deficient number, since it is larger than the sum of its proper divisors (1).

220686341 is an equidigital number, since it uses as much as digits as its factorization.

220686341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 220686341 is about 14855.5155077163. The cubic root of 220686341 is about 604.3081963309.

The spelling of 220686341 in words is "two hundred twenty million, six hundred eighty-six thousand, three hundred forty-one".