1424225 has 12 divisors (see below), whose sum is σ = 1926960. Its totient is φ = 1035600.

The previous prime is 1424191. The next prime is 1424231. The reversal of 1424225 is 5224241.

It is a happy number.

It is not a de Polignac number, because 1424225 - 2⁸ = 1423969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1424197 and 1424206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2315 + ... + 2864.

It is an arithmetic number, because the mean of its divisors is an integer number (160580).

2^1424225 is an apocalyptic number.

It is an amenable number.

1424225 is a deficient number, since it is larger than the sum of its proper divisors (502735).

1424225 is a wasteful number, since it uses less digits than its factorization.

1424225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200 (or 5195 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 1424225 is about 1193.4089827046. The cubic root of 1424225 is about 112.5104517039.

Adding to 1424225 its reverse (5224241), we get a palindrome (6648466).

It can be divided in two parts, 1424 and 225, that multiplied together give a triangular number (320400 = T₈₀₀).

The spelling of 1424225 in words is "one million, four hundred twenty-four thousand, two hundred twenty-five".