422542223 has 8 divisors (see below), whose sum is σ = 441127296. Its totient is φ = 403975000.

The previous prime is 422542199. The next prime is 422542249. The reversal of 422542223 is 322245224.

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 422542223 - 2⁸ = 422541967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422542192 and 422542201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422542283) 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 7 ways as a sum of consecutive naturals, for example, 71948 + ... + 77598.

It is an arithmetic number, because the mean of its divisors is an integer number (55140912).

Almost surely, 2^422542223 is an apocalyptic number.

422542223 is a deficient number, since it is larger than the sum of its proper divisors (18585073).

422542223 is a wasteful number, since it uses less digits than its factorization.

422542223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8925.

The product of its digits is 7680, while the sum is 26.

The square root of 422542223 is about 20555.8318488939. The cubic root of 422542223 is about 750.3951831445.

Adding to 422542223 its reverse (322245224), we get a palindrome (744787447).

The spelling of 422542223 in words is "four hundred twenty-two million, five hundred forty-two thousand, two hundred twenty-three".