22129801423 has 4 divisors (see below), whose sum is σ = 22344653968. Its totient is φ = 21914948880.

The previous prime is 22129801411. The next prime is 22129801501. The reversal of 22129801423 is 32410892122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22129801423 is a prime.

It is a super-2 number, since 2×22129801423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22129801403) 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 3 ways as a sum of consecutive naturals, for example, 107426118 + ... + 107426323.

It is an arithmetic number, because the mean of its divisors is an integer number (5586163492).

Almost surely, 2^22129801423 is an apocalyptic number.

22129801423 is a deficient number, since it is larger than the sum of its proper divisors (214852545).

22129801423 is a wasteful number, since it uses less digits than its factorization.

22129801423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214852544.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 22129801423 in words is "twenty-two billion, one hundred twenty-nine million, eight hundred one thousand, four hundred twenty-three".