2228179249 has 2 divisors, whose sum is σ = 2228179250. Its totient is φ = 2228179248.

The previous prime is 2228179241. The next prime is 2228179321. The reversal of 2228179249 is 9429718222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2227179249 + 1000000 = 47193^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228179249 - 2³ = 2228179241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2228179199 and 2228179208.

It is not a weakly prime, because it can be changed into another prime (2228179241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114089624 + 1114089625.

It is an arithmetic number, because the mean of its divisors is an integer number (1114089625).

Almost surely, 2^2228179249 is an apocalyptic number.

It is an amenable number.

2228179249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228179249 is an equidigital number, since it uses as much as digits as its factorization.

2228179249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 2228179249 is about 47203.5936026061. The cubic root of 2228179249 is about 1306.1208885797.

The spelling of 2228179249 in words is "two billion, two hundred twenty-eight million, one hundred seventy-nine thousand, two hundred forty-nine".