1422455 has 8 divisors (see below), whose sum is σ = 1743552. Its totient is φ = 1113568.

The previous prime is 1422439. The next prime is 1422461. The reversal of 1422455 is 5542241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1422455 - 2⁴ = 1422439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422455.

It is a congruent number.

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, 2792 + ... + 3261.

It is an arithmetic number, because the mean of its divisors is an integer number (217944).

2^1422455 is an apocalyptic number.

1422455 is a deficient number, since it is larger than the sum of its proper divisors (321097).

1422455 is an equidigital number, since it uses as much as digits as its factorization.

1422455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105.

The product of its digits is 1600, while the sum is 23.

The square root of 1422455 is about 1192.6671790571. The cubic root of 1422455 is about 112.4638237591.

Adding to 1422455 its reverse (5542241), we get a palindrome (6964696).

The spelling of 1422455 in words is "one million, four hundred twenty-two thousand, four hundred fifty-five".