1422223 has 4 divisors (see below), whose sum is σ = 1551528. Its totient is φ = 1292920.

The previous prime is 1422221. The next prime is 1422227. The reversal of 1422223 is 3222241.

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 1422223 - 2¹ = 1422221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422197 and 1422206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 64636 + ... + 64657.

It is an arithmetic number, because the mean of its divisors is an integer number (387882).

2^1422223 is an apocalyptic number.

1422223 is a deficient number, since it is larger than the sum of its proper divisors (129305).

1422223 is a wasteful number, since it uses less digits than its factorization.

1422223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129304.

The product of its digits is 192, while the sum is 16.

The square root of 1422223 is about 1192.5699140931. The cubic root of 1422223 is about 112.4577092070.

Adding to 1422223 its reverse (3222241), we get a palindrome (4644464).

It can be divided in two parts, 1 and 422223, that added together give a palindrome (422224).

The spelling of 1422223 in words is "one million, four hundred twenty-two thousand, two hundred twenty-three".