422021627 has 4 divisors (see below), whose sum is σ = 422165256. Its totient is φ = 421878000.

The previous prime is 422021557. The next prime is 422021647. The reversal of 422021627 is 726120224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422021627 - 2²⁶ = 354912763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422021596 and 422021605.

It is not an unprimeable number, because it can be changed into a prime (422021647) 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 3 ways as a sum of consecutive naturals, for example, 67313 + ... + 73314.

It is an arithmetic number, because the mean of its divisors is an integer number (105541314).

Almost surely, 2^422021627 is an apocalyptic number.

422021627 is a deficient number, since it is larger than the sum of its proper divisors (143629).

422021627 is a wasteful number, since it uses less digits than its factorization.

422021627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143628.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 422021627 is about 20543.1649703740. The cubic root of 422021627 is about 750.0868800095.

The spelling of 422021627 in words is "four hundred twenty-two million, twenty-one thousand, six hundred twenty-seven".