1670228233 has 4 divisors (see below), whose sum is σ = 1727822340. Its totient is φ = 1612634128.

The previous prime is 1670228179. The next prime is 1670228243. The reversal of 1670228233 is 3328220761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1434667129 + 235561104 = 37877^2 + 15348^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670228233 - 2²¹ = 1668131081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670228243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28797010 + ... + 28797067.

It is an arithmetic number, because the mean of its divisors is an integer number (431955585).

Almost surely, 2^1670228233 is an apocalyptic number.

It is an amenable number.

1670228233 is a deficient number, since it is larger than the sum of its proper divisors (57594107).

1670228233 is an equidigital number, since it uses as much as digits as its factorization.

1670228233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57594106.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1670228233 is about 40868.4258688783. The cubic root of 1670228233 is about 1186.4750413952.

Adding to 1670228233 its reverse (3328220761), we get a palindrome (4998448994).

The spelling of 1670228233 in words is "one billion, six hundred seventy million, two hundred twenty-eight thousand, two hundred thirty-three".