1422271 has 4 divisors (see below), whose sum is σ = 1505952. Its totient is φ = 1338592.

The previous prime is 1422257. The next prime is 1422277. The reversal of 1422271 is 1722241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1422271 - 2⁹ = 1421759 is a prime.

It is an Ulam number.

It is a Duffinian number.

1422271 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41815 + ... + 41848.

It is an arithmetic number, because the mean of its divisors is an integer number (376488).

2^1422271 is an apocalyptic number.

1422271 is a deficient number, since it is larger than the sum of its proper divisors (83681).

1422271 is an equidigital number, since it uses as much as digits as its factorization.

1422271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83680.

The product of its digits is 224, while the sum is 19.

The square root of 1422271 is about 1192.5900385296. The cubic root of 1422271 is about 112.4589743413.

The spelling of 1422271 in words is "one million, four hundred twenty-two thousand, two hundred seventy-one".