2211140232 has 48 divisors (see below), whose sum is σ = 6844007040. Its totient is φ = 631754208.

The previous prime is 2211140203. The next prime is 2211140237. The reversal of 2211140232 is 2320411122.

It is a happy number.

2211140232 is a `hidden beast` number, since 221 + 11 + 402 + 32 = 666.

It is a super-2 number, since 2×2211140232² = 9778282251138027648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2211140237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2193088 + ... + 2194095.

It is an arithmetic number, because the mean of its divisors is an integer number (142583480).

Almost surely, 2^2211140232 is an apocalyptic number.

It is an amenable number.

2211140232 is an abundant number, since it is smaller than the sum of its proper divisors (4632866808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211140232 is a wasteful number, since it uses less digits than its factorization.

2211140232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387202 (or 4387195 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2211140232 is about 47022.7629132955. The cubic root of 2211140232 is about 1302.7830382185.

Adding to 2211140232 its reverse (2320411122), we get a palindrome (4531551354).

The spelling of 2211140232 in words is "two billion, two hundred eleven million, one hundred forty thousand, two hundred thirty-two".