2211428263 has 8 divisors (see below), whose sum is σ = 2495656080. Its totient is φ = 1941065280.

The previous prime is 2211428257. The next prime is 2211428269. The reversal of 2211428263 is 3628241122.

It is an interprime number because it is at equal distance from previous prime (2211428257) and next prime (2211428269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2211428263 - 2¹⁷ = 2211297191 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3465870 + ... + 3466507.

It is an arithmetic number, because the mean of its divisors is an integer number (311957010).

Almost surely, 2^2211428263 is an apocalyptic number.

2211428263 is a deficient number, since it is larger than the sum of its proper divisors (284227817).

2211428263 is a wasteful number, since it uses less digits than its factorization.

2211428263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932417.

The product of its digits is 9216, while the sum is 31.

The square root of 2211428263 is about 47025.8254898306. The cubic root of 2211428263 is about 1302.8396041482.

Adding to 2211428263 its reverse (3628241122), we get a palindrome (5839669385).

The spelling of 2211428263 in words is "two billion, two hundred eleven million, four hundred twenty-eight thousand, two hundred sixty-three".