1553224 has 16 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 751440.

The previous prime is 1553191. The next prime is 1553249. The reversal of 1553224 is 4223551.

It is a junction number, because it is equal to n+sod(n) for n = 1553195 and 1553204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2884 + ... + 3379.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

2^1553224 is an apocalyptic number.

It is an amenable number.

1553224 is a deficient number, since it is larger than the sum of its proper divisors (1453496).

1553224 is a wasteful number, since it uses less digits than its factorization.

1553224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300 (or 6296 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 1553224 is about 1246.2840767658. The cubic root of 1553224 is about 115.8096362453.

Adding to 1553224 its reverse (4223551), we get a palindrome (5776775).

The spelling of 1553224 in words is "one million, five hundred fifty-three thousand, two hundred twenty-four".