2211428269 has 2 divisors, whose sum is σ = 2211428270. Its totient is φ = 2211428268.

The previous prime is 2211428257. The next prime is 2211428273. The reversal of 2211428269 is 9628241122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2205523369 + 5904900 = 46963^2 + 2430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211428269 is a prime.

It is a super-2 number, since 2×2211428269² = 9780829977864672722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211428239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105714134 + 1105714135.

It is an arithmetic number, because the mean of its divisors is an integer number (1105714135).

Almost surely, 2^2211428269 is an apocalyptic number.

It is an amenable number.

2211428269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211428269 is an equidigital number, since it uses as much as digits as its factorization.

2211428269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 2211428269 is about 47025.8255536253. The cubic root of 2211428269 is about 1302.8396053265.

The spelling of 2211428269 in words is "two billion, two hundred eleven million, four hundred twenty-eight thousand, two hundred sixty-nine".