2228763169 has 2 divisors, whose sum is σ = 2228763170. Its totient is φ = 2228763168.

The previous prime is 2228763139. The next prime is 2228763179. The reversal of 2228763169 is 9613678222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2091873169 + 136890000 = 45737^2 + 11700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228763169 - 2¹¹ = 2228761121 is a prime.

It is a super-2 number, since 2×2228763169² = 9934770526981845122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2228763109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114381584 + 1114381585.

It is an arithmetic number, because the mean of its divisors is an integer number (1114381585).

Almost surely, 2^2228763169 is an apocalyptic number.

It is an amenable number.

2228763169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228763169 is an equidigital number, since it uses as much as digits as its factorization.

2228763169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 2228763169 is about 47209.7783197507. The cubic root of 2228763169 is about 1306.2349732817.

It can be divided in two parts, 222 and 8763169, that added together give a triangular number (8763391 = T₄₁₈₆).

The spelling of 2228763169 in words is "two billion, two hundred twenty-eight million, seven hundred sixty-three thousand, one hundred sixty-nine".