1556233 has 8 divisors (see below), whose sum is σ = 1872320. Its totient is φ = 1263600.

The previous prime is 1556201. The next prime is 1556251. The reversal of 1556233 is 3326551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1556233 - 2⁵ = 1556201 is a prime.

It is a super-2 number, since 2×1556233² = 4843722300578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1556198 and 1556207.

It is not an unprimeable number, because it can be changed into a prime (1556263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5718 + ... + 5983.

It is an arithmetic number, because the mean of its divisors is an integer number (234040).

2^1556233 is an apocalyptic number.

It is an amenable number.

1556233 is a deficient number, since it is larger than the sum of its proper divisors (316087).

1556233 is a wasteful number, since it uses less digits than its factorization.

1556233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11727.

The product of its digits is 2700, while the sum is 25.

The square root of 1556233 is about 1247.4906813279. The cubic root of 1556233 is about 115.8843724951.

The spelling of 1556233 in words is "one million, five hundred fifty-six thousand, two hundred thirty-three".