422155 has 4 divisors (see below), whose sum is σ = 506592. Its totient is φ = 337720.

The previous prime is 422141. The next prime is 422183. The reversal of 422155 is 551224.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 422155 - 2⁹ = 421643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42211 + ... + 42220.

It is an arithmetic number, because the mean of its divisors is an integer number (126648).

2⁴²²¹⁵⁵ is an apocalyptic number.

422155 is a deficient number, since it is larger than the sum of its proper divisors (84437).

422155 is an equidigital number, since it uses as much as digits as its factorization.

422155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84436.

The product of its digits is 400, while the sum is 19.

The square root of 422155 is about 649.7345611863. The cubic root of 422155 is about 75.0165889231.

Adding to 422155 its reverse (551224), we get a palindrome (973379).

It can be divided in two parts, 42 and 2155, that added together give a cube (2197 = 13³).

The spelling of 422155 in words is "four hundred twenty-two thousand, one hundred fifty-five".