422215401 has 8 divisors (see below), whose sum is σ = 563488704. Its totient is φ = 281209520.

The previous prime is 422215363. The next prime is 422215411. The reversal of 422215401 is 104512224.

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 422215401 - 2¹⁷ = 422084329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422215411) 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 7 ways as a sum of consecutive naturals, for example, 63141 + ... + 69506.

It is an arithmetic number, because the mean of its divisors is an integer number (70436088).

Almost surely, 2^422215401 is an apocalyptic number.

It is an amenable number.

422215401 is a deficient number, since it is larger than the sum of its proper divisors (141273303).

422215401 is a wasteful number, since it uses less digits than its factorization.

422215401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133711.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 422215401 is about 20547.8806936385. The cubic root of 422215401 is about 750.2016648813.

Adding to 422215401 its reverse (104512224), we get a palindrome (526727625).

The spelling of 422215401 in words is "four hundred twenty-two million, two hundred fifteen thousand, four hundred one".