422021770207 has 4 divisors (see below), whose sum is σ = 423880897176. Its totient is φ = 420162643240.

The previous prime is 422021770141. The next prime is 422021770217. The reversal of 422021770207 is 702077120224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422021770207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422021770217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929563144 + ... + 929563597.

It is an arithmetic number, because the mean of its divisors is an integer number (105970224294).

Almost surely, 2^422021770207 is an apocalyptic number.

422021770207 is a deficient number, since it is larger than the sum of its proper divisors (1859126969).

422021770207 is a wasteful number, since it uses less digits than its factorization.

422021770207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859126968.

The product of its (nonzero) digits is 21952, while the sum is 34.

The spelling of 422021770207 in words is "four hundred twenty-two billion, twenty-one million, seven hundred seventy thousand, two hundred seven".