22543142404 has 24 divisors (see below), whose sum is σ = 40064181248. Its totient is φ = 11096442720.

The previous prime is 22543142399. The next prime is 22543142411. The reversal of 22543142404 is 40424134522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420394 + ... + 470974.

Almost surely, 2^22543142404 is an apocalyptic number.

It is an amenable number.

22543142404 is a deficient number, since it is larger than the sum of its proper divisors (17521038844).

22543142404 is a wasteful number, since it uses less digits than its factorization.

22543142404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52315 (or 52313 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 22543142404 its reverse (40424134522), we get a palindrome (62967276926).

The spelling of 22543142404 in words is "twenty-two billion, five hundred forty-three million, one hundred forty-two thousand, four hundred four".