2143440022 has 8 divisors (see below), whose sum is σ = 3228501672. Its totient is φ = 1067272800.

The previous prime is 2143440011. The next prime is 2143440023. The reversal of 2143440022 is 2200443412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2143440022² = 9188670255822720968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143439975 and 2143440002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143440023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223004 + ... + 2223967.

It is an arithmetic number, because the mean of its divisors is an integer number (403562709).

Almost surely, 2^2143440022 is an apocalyptic number.

2143440022 is a deficient number, since it is larger than the sum of its proper divisors (1085061650).

2143440022 is a wasteful number, since it uses less digits than its factorization.

2143440022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447214.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2143440022 is about 46297.3003748599. The cubic root of 2143440022 is about 1289.3488735711.

Adding to 2143440022 its reverse (2200443412), we get a palindrome (4343883434).

The spelling of 2143440022 in words is "two billion, one hundred forty-three million, four hundred forty thousand, twenty-two".