422444461 has 4 divisors (see below), whose sum is σ = 444678400. Its totient is φ = 400210524.

The previous prime is 422444431. The next prime is 422444467. The reversal of 422444461 is 164444224.

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 422444461 - 2¹⁷ = 422313389 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 (422444467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11116941 + ... + 11116978.

It is an arithmetic number, because the mean of its divisors is an integer number (111169600).

Almost surely, 2^422444461 is an apocalyptic number.

It is an amenable number.

422444461 is a deficient number, since it is larger than the sum of its proper divisors (22233939).

422444461 is a wasteful number, since it uses less digits than its factorization.

422444461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22233938.

The product of its digits is 24576, while the sum is 31.

The square root of 422444461 is about 20553.4537487012. The cubic root of 422444461 is about 750.3373066466.

Adding to 422444461 its reverse (164444224), we get a palindrome (586888685).

The spelling of 422444461 in words is "four hundred twenty-two million, four hundred forty-four thousand, four hundred sixty-one".