1606220233 has 16 divisors (see below), whose sum is σ = 1717773120. Its totient is φ = 1497514176.

The previous prime is 1606220207. The next prime is 1606220243. The reversal of 1606220233 is 3320226061.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1606220233 - 2⁵ = 1606220201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1606220198 and 1606220207.

It is not an unprimeable number, because it can be changed into a prime (1606220243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434991 + ... + 438667.

It is an arithmetic number, because the mean of its divisors is an integer number (107360820).

Almost surely, 2^1606220233 is an apocalyptic number.

It is an amenable number.

1606220233 is a deficient number, since it is larger than the sum of its proper divisors (111552887).

1606220233 is a wasteful number, since it uses less digits than its factorization.

1606220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1606220233 is about 40077.6774900942. The cubic root of 1606220233 is about 1171.1208080193.

Adding to 1606220233 its reverse (3320226061), we get a palindrome (4926446294).

The spelling of 1606220233 in words is "one billion, six hundred six million, two hundred twenty thousand, two hundred thirty-three".