1672223338 has 4 divisors (see below), whose sum is σ = 2508335010. Its totient is φ = 836111668.

The previous prime is 1672223281. The next prime is 1672223339. The reversal of 1672223338 is 8333222761.

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

It can be written as a sum of positive squares in only one way, i.e., 1615477249 + 56746089 = 40193^2 + 7533^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1672223297 and 1672223306.

It is not an unprimeable number, because it can be changed into a prime (1672223339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418055833 + ... + 418055836.

Almost surely, 2^1672223338 is an apocalyptic number.

1672223338 is a deficient number, since it is larger than the sum of its proper divisors (836111672).

1672223338 is an equidigital number, since it uses as much as digits as its factorization.

1672223338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836111671.

The product of its digits is 72576, while the sum is 37.

The square root of 1672223338 is about 40892.8274639942. The cubic root of 1672223338 is about 1186.9472723435.

The spelling of 1672223338 in words is "one billion, six hundred seventy-two million, two hundred twenty-three thousand, three hundred thirty-eight".