2211266145 has 32 divisors (see below), whose sum is σ = 3861955584. Its totient is φ = 1071492800.

The previous prime is 2211266129. The next prime is 2211266209. The reversal of 2211266145 is 5416621122.

2211266145 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 2211266145 - 2⁴ = 2211266129 is a prime.

It is a super-2 number, since 2×2211266145² = 9779395928046322050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397030 + ... + 402560.

It is an arithmetic number, because the mean of its divisors is an integer number (120686112).

Almost surely, 2^2211266145 is an apocalyptic number.

It is an amenable number.

2211266145 is a deficient number, since it is larger than the sum of its proper divisors (1650689439).

2211266145 is a wasteful number, since it uses less digits than its factorization.

2211266145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7973.

The product of its digits is 5760, while the sum is 30.

The square root of 2211266145 is about 47024.1017458069. The cubic root of 2211266145 is about 1302.8077666678.

Adding to 2211266145 its reverse (5416621122), we get a palindrome (7627887267).

The spelling of 2211266145 in words is "two billion, two hundred eleven million, two hundred sixty-six thousand, one hundred forty-five".