2115226229 has 2 divisors, whose sum is σ = 2115226230. Its totient is φ = 2115226228.

The previous prime is 2115226189. The next prime is 2115226277. The reversal of 2115226229 is 9226225112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1268998129 + 846228100 = 35623^2 + 29090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115226229 - 2¹² = 2115222133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2115226195 and 2115226204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115226279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057613114 + 1057613115.

It is an arithmetic number, because the mean of its divisors is an integer number (1057613115).

Almost surely, 2^2115226229 is an apocalyptic number.

It is an amenable number.

2115226229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115226229 is an equidigital number, since it uses as much as digits as its factorization.

2115226229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 2115226229 is about 45991.5886766265. The cubic root of 2115226229 is about 1283.6666976245. Note that the first 4 decimals are identical.

The spelling of 2115226229 in words is "two billion, one hundred fifteen million, two hundred twenty-six thousand, two hundred twenty-nine".