2142142422 has 32 divisors (see below), whose sum is σ = 5154028800. Its totient is φ = 579827808.

The previous prime is 2142142369. The next prime is 2142142423. The reversal of 2142142422 is 2242412412.

It is a happy number.

It is a super-2 number, since 2×2142142422² = 9177548312264052168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2142142392 and 2142142401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142142423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341397 + ... + 1342992.

It is an arithmetic number, because the mean of its divisors is an integer number (161063400).

Almost surely, 2^2142142422 is an apocalyptic number.

2142142422 is an abundant number, since it is smaller than the sum of its proper divisors (3011886378).

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

2142142422 is a wasteful number, since it uses less digits than its factorization.

2142142422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684420.

The product of its digits is 2048, while the sum is 24.

The square root of 2142142422 is about 46283.2844772278. The cubic root of 2142142422 is about 1289.0886381850.

Adding to 2142142422 its reverse (2242412412), we get a palindrome (4384554834).

The spelling of 2142142422 in words is "two billion, one hundred forty-two million, one hundred forty-two thousand, four hundred twenty-two".