422644037 has 8 divisors (see below), whose sum is σ = 445077600. Its totient is φ = 400229424.

The previous prime is 422644009. The next prime is 422644063. The reversal of 422644037 is 730446224.

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 422644037 - 2²⁴ = 405866821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422643994 and 422644012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422644087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81014 + ... + 86072.

It is an arithmetic number, because the mean of its divisors is an integer number (55634700).

Almost surely, 2^422644037 is an apocalyptic number.

It is an amenable number.

422644037 is a deficient number, since it is larger than the sum of its proper divisors (22433563).

422644037 is a wasteful number, since it uses less digits than its factorization.

422644037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9475.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 422644037 is about 20558.3082231977. The cubic root of 422644037 is about 750.4554489953.

The spelling of 422644037 in words is "four hundred twenty-two million, six hundred forty-four thousand, thirty-seven".