1423225 has 6 divisors (see below), whose sum is σ = 1764830. Its totient is φ = 1138560.

The previous prime is 1423193. The next prime is 1423231. The reversal of 1423225 is 5223241.

It can be written as a sum of positive squares in 3 ways, for example, as 11881 + 1411344 = 109^2 + 1188^2 .

It is not a de Polignac number, because 1423225 - 2⁵ = 1423193 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28440 + ... + 28489.

2^1423225 is an apocalyptic number.

It is an amenable number.

1423225 is a deficient number, since it is larger than the sum of its proper divisors (341605).

1423225 is an equidigital number, since it uses as much as digits as its factorization.

1423225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56939 (or 56934 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 1423225 is about 1192.9899412820. The cubic root of 1423225 is about 112.4841129829.

Adding to 1423225 its reverse (5223241), we get a palindrome (6646466).

The spelling of 1423225 in words is "one million, four hundred twenty-three thousand, two hundred twenty-five".