422261 has 8 divisors (see below), whose sum is σ = 486720. Its totient is φ = 358848.

The previous prime is 422249. The next prime is 422267. The reversal of 422261 is 162224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422261 - 2¹⁸ = 160117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422261.

It is not an unprimeable number, because it can be changed into a prime (422267) 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, 1085 + ... + 1421.

It is an arithmetic number, because the mean of its divisors is an integer number (60840).

2⁴²²²⁶¹ is an apocalyptic number.

It is an amenable number.

422261 is a deficient number, since it is larger than the sum of its proper divisors (64459).

422261 is a wasteful number, since it uses less digits than its factorization.

422261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its digits is 192, while the sum is 17.

The square root of 422261 is about 649.8161278393. The cubic root of 422261 is about 75.0228671013.

Adding to 422261 its reverse (162224), we get a palindrome (584485).

The spelling of 422261 in words is "four hundred twenty-two thousand, two hundred sixty-one".