422542401 has 8 divisors (see below), whose sum is σ = 571798944. Its totient is φ = 277490400.

The previous prime is 422542343. The next prime is 422542403. The reversal of 422542401 is 104245224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422542401 - 2¹³ = 422534209 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (422542403) 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, 1050900 + ... + 1051301.

It is an arithmetic number, because the mean of its divisors is an integer number (71474868).

Almost surely, 2^422542401 is an apocalyptic number.

It is an amenable number.

422542401 is a deficient number, since it is larger than the sum of its proper divisors (149256543).

422542401 is a wasteful number, since it uses less digits than its factorization.

422542401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102271.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 422542401 is about 20555.8361785650. The cubic root of 422542401 is about 750.3952885149.

Adding to 422542401 its reverse (104245224), we get a palindrome (526787625).

The spelling of 422542401 in words is "four hundred twenty-two million, five hundred forty-two thousand, four hundred one".