138222303 has 8 divisors (see below), whose sum is σ = 186892416. Its totient is φ = 90850200.

The previous prime is 138222289. The next prime is 138222311. The reversal of 138222303 is 303222831.

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

It is not a de Polignac number, because 138222303 - 2⁶ = 138222239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138222353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324253 + ... + 324678.

It is an arithmetic number, because the mean of its divisors is an integer number (23361552).

Almost surely, 2^138222303 is an apocalyptic number.

138222303 is a deficient number, since it is larger than the sum of its proper divisors (48670113).

138222303 is an equidigital number, since it uses as much as digits as its factorization.

138222303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649005.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 138222303 is about 11756.7981610641. The cubic root of 138222303 is about 517.0422604122.

The spelling of 138222303 in words is "one hundred thirty-eight million, two hundred twenty-two thousand, three hundred three".