22551428143 has 4 divisors (see below), whose sum is σ = 22578307920. Its totient is φ = 22524548368.

The previous prime is 22551428101. The next prime is 22551428173. The reversal of 22551428143 is 34182415522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34182415522 = 2 ⋅17091207761.

It is a cyclic number.

It is not a de Polignac number, because 22551428143 - 2⁹ = 22551427631 is a prime.

It is a super-2 number, since 2×22551428143² (a number of 22 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 (22551428173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13438630 + ... + 13440307.

It is an arithmetic number, because the mean of its divisors is an integer number (5644576980).

Almost surely, 2^22551428143 is an apocalyptic number.

22551428143 is a deficient number, since it is larger than the sum of its proper divisors (26879777).

22551428143 is an equidigital number, since it uses as much as digits as its factorization.

22551428143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26879776.

The product of its digits is 76800, while the sum is 37.

The spelling of 22551428143 in words is "twenty-two billion, five hundred fifty-one million, four hundred twenty-eight thousand, one hundred forty-three".