1422555 has 8 divisors (see below), whose sum is σ = 2276112. Its totient is φ = 758688.

The previous prime is 1422541. The next prime is 1422563. The reversal of 1422555 is 5552241.

It is a happy number.

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

It is not a de Polignac number, because 1422555 - 2⁵ = 1422523 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47404 + ... + 47433.

It is an arithmetic number, because the mean of its divisors is an integer number (284514).

2^1422555 is an apocalyptic number.

1422555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1422555 is a deficient number, since it is larger than the sum of its proper divisors (853557).

1422555 is an equidigital number, since it uses as much as digits as its factorization.

1422555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94845.

The product of its digits is 2000, while the sum is 24.

The square root of 1422555 is about 1192.7091011642. The cubic root of 1422555 is about 112.4664591369.

Adding to 1422555 its reverse (5552241), we get a palindrome (6974796).

The spelling of 1422555 in words is "one million, four hundred twenty-two thousand, five hundred fifty-five".