422221423 has 8 divisors (see below), whose sum is σ = 454943216. Its totient is φ = 389534400.

The previous prime is 422221421. The next prime is 422221427. The reversal of 422221423 is 324122224.

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 422221423 - 2¹ = 422221421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422221394 and 422221403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422221421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20083 + ... + 35323.

It is an arithmetic number, because the mean of its divisors is an integer number (56867902).

Almost surely, 2^422221423 is an apocalyptic number.

422221423 is a deficient number, since it is larger than the sum of its proper divisors (32721793).

422221423 is a wasteful number, since it uses less digits than its factorization.

422221423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385.

The product of its digits is 1536, while the sum is 22.

The square root of 422221423 is about 20548.0272289093. The cubic root of 422221423 is about 750.2052315386.

Adding to 422221423 its reverse (324122224), we get a palindrome (746343647).

The spelling of 422221423 in words is "four hundred twenty-two million, two hundred twenty-one thousand, four hundred twenty-three".