22000154423 has 8 divisors (see below), whose sum is σ = 23798721408. Its totient is φ = 20216765664.

The previous prime is 22000154399. The next prime is 22000154443. The reversal of 22000154423 is 32445100022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22000154423 - 2⁸ = 22000154167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000154443) by changing a digit.

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, 3791540 + ... + 3797337.

It is an arithmetic number, because the mean of its divisors is an integer number (2974840176).

Almost surely, 2^22000154423 is an apocalyptic number.

22000154423 is a deficient number, since it is larger than the sum of its proper divisors (1798566985).

22000154423 is a wasteful number, since it uses less digits than its factorization.

22000154423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7589113.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 22000154423 its reverse (32445100022), we get a palindrome (54445254445).

The spelling of 22000154423 in words is "twenty-two billion, one hundred fifty-four thousand, four hundred twenty-three".