2227499189 has 2 divisors, whose sum is σ = 2227499190. Its totient is φ = 2227499188.

The previous prime is 2227499177. The next prime is 2227499233. The reversal of 2227499189 is 9819947222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1384584100 + 842915089 = 37210^2 + 29033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2227499189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2227499189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2227499129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113749594 + 1113749595.

It is an arithmetic number, because the mean of its divisors is an integer number (1113749595).

Almost surely, 2^2227499189 is an apocalyptic number.

It is an amenable number.

2227499189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227499189 is an equidigital number, since it uses as much as digits as its factorization.

2227499189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The square root of 2227499189 is about 47196.3895758987. The cubic root of 2227499189 is about 1305.9879951790.

The spelling of 2227499189 in words is "two billion, two hundred twenty-seven million, four hundred ninety-nine thousand, one hundred eighty-nine".