1430224 has 20 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 704480.

The previous prime is 1430201. The next prime is 1430237. The reversal of 1430224 is 4220341.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1430198 and 1430207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (140616).

2^1430224 is an apocalyptic number.

It is an amenable number.

1430224 is a deficient number, since it is larger than the sum of its proper divisors (1382096).

1430224 is a wasteful number, since it uses less digits than its factorization.

1430224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1430224 is about 1195.9197297478. The cubic root of 1430224 is about 112.6681994275.

Adding to 1430224 its product of nonzero digits (192), we get a square (1430416 = 1196²).

Adding to 1430224 its reverse (4220341), we get a palindrome (5650565).

The spelling of 1430224 in words is "one million, four hundred thirty thousand, two hundred twenty-four".