426222123 has 4 divisors (see below), whose sum is σ = 568296168. Its totient is φ = 284148080.

The previous prime is 426222109. The next prime is 426222133. The reversal of 426222123 is 321222624.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 426222123 - 2⁸ = 426221867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426222093 and 426222102.

It is not an unprimeable number, because it can be changed into a prime (426222133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71037018 + ... + 71037023.

It is an arithmetic number, because the mean of its divisors is an integer number (142074042).

Almost surely, 2^426222123 is an apocalyptic number.

426222123 is a deficient number, since it is larger than the sum of its proper divisors (142074045).

426222123 is a wasteful number, since it uses less digits than its factorization.

426222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142074044.

The product of its digits is 2304, while the sum is 24.

The square root of 426222123 is about 20645.1476865631. The cubic root of 426222123 is about 752.5672749940.

Adding to 426222123 its reverse (321222624), we get a palindrome (747444747).

The spelling of 426222123 in words is "four hundred twenty-six million, two hundred twenty-two thousand, one hundred twenty-three".