838840822 has 4 divisors (see below), whose sum is σ = 1258261236. Its totient is φ = 419420410.

The previous prime is 838840799. The next prime is 838840831. The reversal of 838840822 is 228048838.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209710204 + ... + 209710207.

It is an arithmetic number, because the mean of its divisors is an integer number (314565309).

Almost surely, 2^838840822 is an apocalyptic number.

838840822 is a deficient number, since it is larger than the sum of its proper divisors (419420414).

838840822 is a wasteful number, since it uses less digits than its factorization.

838840822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419420413.

The product of its (nonzero) digits is 196608, while the sum is 43.

The square root of 838840822 is about 28962.7488681582. The cubic root of 838840822 is about 943.1045766559.

The spelling of 838840822 in words is "eight hundred thirty-eight million, eight hundred forty thousand, eight hundred twenty-two".