2211134144 has 28 divisors (see below), whose sum is σ = 4389708264. Its totient is φ = 1105065984.

The previous prime is 2211134137. The next prime is 2211134147. The reversal of 2211134144 is 4414311122.

It is a super-2 number, since 2×2211134144² = 9778228405525225472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211134147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163547 + ... + 176549.

Almost surely, 2^2211134144 is an apocalyptic number.

It is an amenable number.

2211134144 is a deficient number, since it is larger than the sum of its proper divisors (2178574120).

2211134144 is a wasteful number, since it uses less digits than its factorization.

2211134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15672 (or 15662 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 2211134144 is about 47022.6981786456. The cubic root of 2211134144 is about 1302.7818425533.

Adding to 2211134144 its reverse (4414311122), we get a palindrome (6625445266).

The spelling of 2211134144 in words is "two billion, two hundred eleven million, one hundred thirty-four thousand, one hundred forty-four".