2211275505 has 16 divisors (see below), whose sum is σ = 3613319424. Its totient is φ = 1154254080.

The previous prime is 2211275503. The next prime is 2211275531. The reversal of 2211275505 is 5055721122.

2211275505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2211275505 - 2¹ = 2211275503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211275501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567576 + ... + 1568985.

It is an arithmetic number, because the mean of its divisors is an integer number (225832464).

Almost surely, 2^2211275505 is an apocalyptic number.

It is an amenable number.

2211275505 is a deficient number, since it is larger than the sum of its proper divisors (1402043919).

2211275505 is a wasteful number, since it uses less digits than its factorization.

2211275505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136616.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 2211275505 is about 47024.2012691337. The cubic root of 2211275505 is about 1302.8096048701.

Adding to 2211275505 its reverse (5055721122), we get a palindrome (7266996627).

The spelling of 2211275505 in words is "two billion, two hundred eleven million, two hundred seventy-five thousand, five hundred five".