2142440422 has 4 divisors (see below), whose sum is σ = 3213660636. Its totient is φ = 1071220210.

The previous prime is 2142440413. The next prime is 2142440423. The reversal of 2142440422 is 2240442412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142440423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535610104 + ... + 535610107.

It is an arithmetic number, because the mean of its divisors is an integer number (803415159).

Almost surely, 2^2142440422 is an apocalyptic number.

2142440422 is a deficient number, since it is larger than the sum of its proper divisors (1071220214).

2142440422 is a wasteful number, since it uses less digits than its factorization.

2142440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071220213.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 2142440422 is about 46286.5036700764. The cubic root of 2142440422 is about 1289.1484117709.

Adding to 2142440422 its reverse (2240442412), we get a palindrome (4382882834).

The spelling of 2142440422 in words is "two billion, one hundred forty-two million, four hundred forty thousand, four hundred twenty-two".