2229270187 has 2 divisors, whose sum is σ = 2229270188. Its totient is φ = 2229270186.

The previous prime is 2229270181. The next prime is 2229270217. The reversal of 2229270187 is 7810729222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2229270187 - 2³ = 2229270179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2229270181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114635093 + 1114635094.

It is an arithmetic number, because the mean of its divisors is an integer number (1114635094).

Almost surely, 2^2229270187 is an apocalyptic number.

2229270187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229270187 is an equidigital number, since it uses as much as digits as its factorization.

2229270187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2229270187 is about 47215.1478553229. The cubic root of 2229270187 is about 1306.3340169184.

The spelling of 2229270187 in words is "two billion, two hundred twenty-nine million, two hundred seventy thousand, one hundred eighty-seven".