1138418322 has 8 divisors (see below), whose sum is σ = 2276836656. Its totient is φ = 379472772.

The previous prime is 1138418279. The next prime is 1138418339. The reversal of 1138418322 is 2238148311.

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

1138418322 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94868188 + ... + 94868199.

It is an arithmetic number, because the mean of its divisors is an integer number (284604582).

Almost surely, 2^1138418322 is an apocalyptic number.

1138418322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1138418322 is a wasteful number, since it uses less digits than its factorization.

1138418322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189736392.

The product of its digits is 9216, while the sum is 33.

The square root of 1138418322 is about 33740.4552725656. The cubic root of 1138418322 is about 1044.1605773908.

The spelling of 1138418322 in words is "one billion, one hundred thirty-eight million, four hundred eighteen thousand, three hundred twenty-two".