2142231404 has 24 divisors (see below), whose sum is σ = 3975940080. Its totient is φ = 1006455296.

The previous prime is 2142231379. The next prime is 2142231419. The reversal of 2142231404 is 4041322412.

It is a super-2 number, since 2×2142231404² = 9178310776567622432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2142231404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16427 + ... + 67485.

It is an arithmetic number, because the mean of its divisors is an integer number (165664170).

Almost surely, 2^2142231404 is an apocalyptic number.

It is an amenable number.

2142231404 is a deficient number, since it is larger than the sum of its proper divisors (1833708676).

2142231404 is a wasteful number, since it uses less digits than its factorization.

2142231404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51697 (or 51695 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2142231404 is about 46284.2457430171. The cubic root of 2142231404 is about 1289.1064869978.

Adding to 2142231404 its reverse (4041322412), we get a palindrome (6183553816).

The spelling of 2142231404 in words is "two billion, one hundred forty-two million, two hundred thirty-one thousand, four hundred four".