838500222 has 16 divisors (see below), whose sum is σ = 1916572032. Its totient is φ = 239571480.

The previous prime is 838500209. The next prime is 838500241. The reversal of 838500222 is 222005838.

It is a self number, because there is not a number n which added to its sum of digits gives 838500222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9982104 + ... + 9982187.

It is an arithmetic number, because the mean of its divisors is an integer number (119785752).

Almost surely, 2^838500222 is an apocalyptic number.

838500222 is an abundant number, since it is smaller than the sum of its proper divisors (1078071810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

838500222 is a wasteful number, since it uses less digits than its factorization.

838500222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19964303.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 838500222 is about 28956.8683044282. The cubic root of 838500222 is about 942.9769144122.

The spelling of 838500222 in words is "eight hundred thirty-eight million, five hundred thousand, two hundred twenty-two".