172233307 has 6 divisors (see below), whose sum is σ = 182960948. Its totient is φ = 162101664.

The previous prime is 172233293. The next prime is 172233319. The reversal of 172233307 is 703332271.

It is not a de Polignac number, because 172233307 - 2²³ = 163844699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172233707) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 297693 + ... + 298270.

Almost surely, 2^172233307 is an apocalyptic number.

172233307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

172233307 is a deficient number, since it is larger than the sum of its proper divisors (10727641).

172233307 is an equidigital number, since it uses as much as digits as its factorization.

172233307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595997 (or 595980 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 172233307 is about 13123.7687803466. The cubic root of 172233307 is about 556.3811145370.

Adding to 172233307 its reverse (703332271), we get a palindrome (875565578).

The spelling of 172233307 in words is "one hundred seventy-two million, two hundred thirty-three thousand, three hundred seven".