422071669 has 4 divisors (see below), whose sum is σ = 422396896. Its totient is φ = 421746444.

The previous prime is 422071667. The next prime is 422071687. The reversal of 422071669 is 966170224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422071669 - 2¹ = 422071667 is a prime.

It is a super-2 number, since 2×422071669² = 356288987544891122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422071667) 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, 160659 + ... + 163264.

It is an arithmetic number, because the mean of its divisors is an integer number (105599224).

Almost surely, 2^422071669 is an apocalyptic number.

It is an amenable number.

422071669 is a deficient number, since it is larger than the sum of its proper divisors (325227).

422071669 is a wasteful number, since it uses less digits than its factorization.

422071669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325226.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 422071669 is about 20544.3829062837. The cubic root of 422071669 is about 750.1165264871.

It can be divided in two parts, 422071 and 669, that added together give a triangular number (422740 = T₉₁₉).

The spelling of 422071669 in words is "four hundred twenty-two million, seventy-one thousand, six hundred sixty-nine".