22143154404 has 24 divisors (see below), whose sum is σ = 59048411968. Its totient is φ = 6326615520.

The previous prime is 22143154379. The next prime is 22143154409. The reversal of 22143154404 is 40445134122.

It is not an unprimeable number, because it can be changed into a prime (22143154409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131804407 + ... + 131804574.

Almost surely, 2^22143154404 is an apocalyptic number.

It is an amenable number.

22143154404 is an abundant number, since it is smaller than the sum of its proper divisors (36905257564).

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

22143154404 is a wasteful number, since it uses less digits than its factorization.

22143154404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263608995 (or 263608993 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 22143154404 its reverse (40445134122), we get a palindrome (62588288526).

The spelling of 22143154404 in words is "twenty-two billion, one hundred forty-three million, one hundred fifty-four thousand, four hundred four".