1238322164 has 6 divisors (see below), whose sum is σ = 2167063794. Its totient is φ = 619161080.

The previous prime is 1238322133. The next prime is 1238322191. The reversal of 1238322164 is 4612238321.

It can be written as a sum of positive squares in only one way, i.e., 657512164 + 580810000 = 25642^2 + 24100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1238322164.

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, 154790267 + ... + 154790274.

It is an arithmetic number, because the mean of its divisors is an integer number (361177299).

Almost surely, 2^1238322164 is an apocalyptic number.

It is an amenable number.

1238322164 is a deficient number, since it is larger than the sum of its proper divisors (928741630).

1238322164 is a wasteful number, since it uses less digits than its factorization.

1238322164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309580545 (or 309580543 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 1238322164 is about 35189.8019886444. The cubic root of 1238322164 is about 1073.8522927532.

The spelling of 1238322164 in words is "one billion, two hundred thirty-eight million, three hundred twenty-two thousand, one hundred sixty-four".