838222838 has 8 divisors (see below), whose sum is σ = 1277946480. Its totient is φ = 412240680.

The previous prime is 838222831. The next prime is 838222877.

838222838 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×838222838² = 1405235052289548488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838222831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435218 + ... + 3435461.

It is an arithmetic number, because the mean of its divisors is an integer number (159743310).

Almost surely, 2^838222838 is an apocalyptic number.

838222838 is a deficient number, since it is larger than the sum of its proper divisors (439723642).

838222838 is a wasteful number, since it uses less digits than its factorization.

838222838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870742.

The product of its digits is 294912, while the sum is 44.

The square root of 838222838 is about 28952.0783019112. The cubic root of 838222838 is about 942.8729209765.

The spelling of 838222838 in words is "eight hundred thirty-eight million, two hundred twenty-two thousand, eight hundred thirty-eight".