1436223 has 4 divisors (see below), whose sum is σ = 1914968. Its totient is φ = 957480.

The previous prime is 1436221. The next prime is 1436231. The reversal of 1436223 is 3226341.

It is a happy number.

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

It is not a de Polignac number, because 1436223 - 2¹ = 1436221 is a prime.

It is a d-powerful number, because it can be written as 1 + 4¹⁰ + 3 + 6⁶ + 2¹⁵ + 2¹⁷ + 3¹¹ .

It is a D-number.

It is a Duffinian number.

1436223 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1436223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1436221) 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, 239368 + ... + 239373.

It is an arithmetic number, because the mean of its divisors is an integer number (478742).

2^1436223 is an apocalyptic number.

1436223 is a deficient number, since it is larger than the sum of its proper divisors (478745).

1436223 is an equidigital number, since it uses as much as digits as its factorization.

1436223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478744.

The product of its digits is 864, while the sum is 21.

The square root of 1436223 is about 1198.4252166906. The cubic root of 1436223 is about 112.8255066559.

The spelling of 1436223 in words is "one million, four hundred thirty-six thousand, two hundred twenty-three".