1422329 has 4 divisors (see below), whose sum is σ = 1425060. Its totient is φ = 1419600.

The previous prime is 1422293. The next prime is 1422367. The reversal of 1422329 is 9232241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1345600 + 76729 = 1160^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422329 - 2¹² = 1418233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422229) 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, 314 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (356265).

2^1422329 is an apocalyptic number.

It is an amenable number.

1422329 is a deficient number, since it is larger than the sum of its proper divisors (2731).

1422329 is an equidigital number, since it uses as much as digits as its factorization.

1422329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730.

The product of its digits is 864, while the sum is 23.

The square root of 1422329 is about 1192.6143551039. The cubic root of 1422329 is about 112.4605030073.

It can be divided in two parts, 142232 and 9, that added together give a palindrome (142241).

The spelling of 1422329 in words is "one million, four hundred twenty-two thousand, three hundred twenty-nine".