2240143211 has 4 divisors (see below), whose sum is σ = 2278111800. Its totient is φ = 2202174624.

The previous prime is 2240143201. The next prime is 2240143219. The reversal of 2240143211 is 1123410422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2240143211 - 2³⁰ = 1166401387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240143219) 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, 18984206 + ... + 18984323.

It is an arithmetic number, because the mean of its divisors is an integer number (569527950).

Almost surely, 2^2240143211 is an apocalyptic number.

2240143211 is a deficient number, since it is larger than the sum of its proper divisors (37968589).

2240143211 is an equidigital number, since it uses as much as digits as its factorization.

2240143211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37968588.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2240143211 is about 47330.1511829405. The cubic root of 2240143211 is about 1308.4544075692.

Adding to 2240143211 its reverse (1123410422), we get a palindrome (3363553633).

The spelling of 2240143211 in words is "two billion, two hundred forty million, one hundred forty-three thousand, two hundred eleven".