2143504222 has 16 divisors (see below), whose sum is σ = 3256934400. Its totient is φ = 1057944888.

The previous prime is 2143504219. The next prime is 2143504277. The reversal of 2143504222 is 2224053412.

It is a super-2 number, since 2×2143504222² = 9189220699463650568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29343 + ... + 71749.

It is an arithmetic number, because the mean of its divisors is an integer number (203558400).

Almost surely, 2^2143504222 is an apocalyptic number.

2143504222 is a deficient number, since it is larger than the sum of its proper divisors (1113430178).

2143504222 is a wasteful number, since it uses less digits than its factorization.

2143504222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42735.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2143504222 is about 46297.9937146309. The cubic root of 2143504222 is about 1289.3617462385.

Adding to 2143504222 its reverse (2224053412), we get a palindrome (4367557634).

The spelling of 2143504222 in words is "two billion, one hundred forty-three million, five hundred four thousand, two hundred twenty-two".