1607223 has 4 divisors (see below), whose sum is σ = 2142968. Its totient is φ = 1071480.
The previous prime is 1607201. The next prime is 1607233. The reversal of 1607223 is 3227061.
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 1607223 - 28 = 1606967 is a prime.
It is a D-number.
It is a Duffinian number.
1607223 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 1607223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1607233) 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, 267868 + ... + 267873.
It is an arithmetic number, because the mean of its divisors is an integer number (535742).
21607223 is an apocalyptic number.
1607223 is a deficient number, since it is larger than the sum of its proper divisors (535745).
1607223 is an equidigital number, since it uses as much as digits as its factorization.
1607223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535744.
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 1607223 is about 1267.7629904679. The cubic root of 1607223 is about 117.1364468462.
It can be divided in two parts, 1607 and 223, that added together give a triangular number (1830 = T60).
The spelling of 1607223 in words is "one million, six hundred seven thousand, two hundred twenty-three".
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