2218350229 has 2 divisors, whose sum is σ = 2218350230. Its totient is φ = 2218350228.

The previous prime is 2218350221. The next prime is 2218350269. The reversal of 2218350229 is 9220538122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1769884900 + 448465329 = 42070^2 + 21177^2 .

It is a cyclic number.

It is not a de Polignac number, because 2218350229 - 2³ = 2218350221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2218350194 and 2218350203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218350221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109175114 + 1109175115.

It is an arithmetic number, because the mean of its divisors is an integer number (1109175115).

Almost surely, 2^2218350229 is an apocalyptic number.

It is an amenable number.

2218350229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218350229 is an equidigital number, since it uses as much as digits as its factorization.

2218350229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2218350229 is about 47099.3654840487. The cubic root of 2218350229 is about 1304.1975227169.

The spelling of 2218350229 in words is "two billion, two hundred eighteen million, three hundred fifty thousand, two hundred twenty-nine".