1403224 has 8 divisors (see below), whose sum is σ = 2631060. Its totient is φ = 701608.

The previous prime is 1403189. The next prime is 1403239. The reversal of 1403224 is 4223041.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1403198 and 1403207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87694 + ... + 87709.

2^1403224 is an apocalyptic number.

It is an amenable number.

1403224 is a deficient number, since it is larger than the sum of its proper divisors (1227836).

1403224 is a wasteful number, since it uses less digits than its factorization.

1403224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175409 (or 175405 counting only the distinct ones).

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

The square root of 1403224 is about 1184.5775618338. The cubic root of 1403224 is about 111.9547010689.

Adding to 1403224 its reverse (4223041), we get a palindrome (5626265).

It can be divided in two parts, 140 and 3224, that added together give a square (3364 = 58²).

The spelling of 1403224 in words is "one million, four hundred three thousand, two hundred twenty-four".