1422215 has 8 divisors (see below), whose sum is σ = 1735008. Its totient is φ = 1118880.

The previous prime is 1422199. The next prime is 1422221. The reversal of 1422215 is 5122241.

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

It is not a de Polignac number, because 1422215 - 2⁴ = 1422199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422193 and 1422202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2027 + ... + 2636.

It is an arithmetic number, because the mean of its divisors is an integer number (216876).

2^1422215 is an apocalyptic number.

1422215 is a deficient number, since it is larger than the sum of its proper divisors (312793).

1422215 is an equidigital number, since it uses as much as digits as its factorization.

1422215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729.

The product of its digits is 160, while the sum is 17.

The square root of 1422215 is about 1192.5665599873. The cubic root of 1422215 is about 112.4574983485.

Adding to 1422215 its reverse (5122241), we get a palindrome (6544456).

The spelling of 1422215 in words is "one million, four hundred twenty-two thousand, two hundred fifteen".