2211428265 has 32 divisors (see below), whose sum is σ = 3754736640. Its totient is φ = 1109017536.

The previous prime is 2211428257. The next prime is 2211428269. The reversal of 2211428265 is 5628241122.

It is not a de Polignac number, because 2211428265 - 2³ = 2211428257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211428269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33967 + ... + 74676.

It is an arithmetic number, because the mean of its divisors is an integer number (117335520).

Almost surely, 2^2211428265 is an apocalyptic number.

It is an amenable number.

2211428265 is a deficient number, since it is larger than the sum of its proper divisors (1543308375).

2211428265 is a wasteful number, since it uses less digits than its factorization.

2211428265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108733.

The product of its digits is 15360, while the sum is 33.

The square root of 2211428265 is about 47025.8255110955. The cubic root of 2211428265 is about 1302.8396045410.

Adding to 2211428265 its reverse (5628241122), we get a palindrome (7839669387).

The spelling of 2211428265 in words is "two billion, two hundred eleven million, four hundred twenty-eight thousand, two hundred sixty-five".