422550043 has 4 divisors (see below), whose sum is σ = 440921808. Its totient is φ = 404178280.

The previous prime is 422550031. The next prime is 422550047. The reversal of 422550043 is 340055224.

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-422550043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422550047) 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, 9185848 + ... + 9185893.

It is an arithmetic number, because the mean of its divisors is an integer number (110230452).

Almost surely, 2^422550043 is an apocalyptic number.

422550043 is a deficient number, since it is larger than the sum of its proper divisors (18371765).

422550043 is a wasteful number, since it uses less digits than its factorization.

422550043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18371764.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 422550043 is about 20556.0220616733. The cubic root of 422550043 is about 750.3998123104.

The spelling of 422550043 in words is "four hundred twenty-two million, five hundred fifty thousand, forty-three".