138200222 has 16 divisors (see below), whose sum is σ = 211172832. Its totient is φ = 67818240.

The previous prime is 138200221. The next prime is 138200233. The reversal of 138200222 is 222002831.

It is a junction number, because it is equal to n+sod(n) for n = 138200194 and 138200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138200221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30998 + ... + 35174.

It is an arithmetic number, because the mean of its divisors is an integer number (13198302).

Almost surely, 2^138200222 is an apocalyptic number.

138200222 is a deficient number, since it is larger than the sum of its proper divisors (72972610).

138200222 is a wasteful number, since it uses less digits than its factorization.

138200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 138200222 is about 11755.8590498525. The cubic root of 138200222 is about 517.0147264617.

The spelling of 138200222 in words is "one hundred thirty-eight million, two hundred thousand, two hundred twenty-two".