1422243 has 12 divisors (see below), whose sum is σ = 2110368. Its totient is φ = 922320.

The previous prime is 1422241. The next prime is 1422257. The reversal of 1422243 is 3422241.

1422243 is a `hidden beast` number, since 1 + 422 + 243 = 666.

It is not a de Polignac number, because 1422243 - 2¹ = 1422241 is a prime.

It is a super-3 number, since 3×1422243³ = 8630633397460148721, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1422241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1803 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (175864).

2^1422243 is an apocalyptic number.

1422243 is a deficient number, since it is larger than the sum of its proper divisors (688125).

1422243 is a wasteful number, since it uses less digits than its factorization.

1422243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314 (or 4311 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 1422243 is about 1192.5782993162. The cubic root of 1422243 is about 112.4582363497.

Adding to 1422243 its reverse (3422241), we get a palindrome (4844484).

The spelling of 1422243 in words is "one million, four hundred twenty-two thousand, two hundred forty-three".