421422555 has 8 divisors (see below), whose sum is σ = 674276112. Its totient is φ = 224758688.

The previous prime is 421422541. The next prime is 421422569. The reversal of 421422555 is 555224124.

421422555 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (421422541) and next prime (421422569).

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 421422555 - 2⁵ = 421422523 is a prime.

It is an unprimeable number.

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, 14047404 + ... + 14047433.

It is an arithmetic number, because the mean of its divisors is an integer number (84284514).

Almost surely, 2^421422555 is an apocalyptic number.

421422555 is a deficient number, since it is larger than the sum of its proper divisors (252853557).

421422555 is a wasteful number, since it uses less digits than its factorization.

421422555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28094845.

The product of its digits is 16000, while the sum is 30.

The square root of 421422555 is about 20528.5789815077. The cubic root of 421422555 is about 749.7317885394.

Adding to 421422555 its reverse (555224124), we get a palindrome (976646679).

The spelling of 421422555 in words is "four hundred twenty-one million, four hundred twenty-two thousand, five hundred fifty-five".