322243138 has 16 divisors (see below), whose sum is σ = 567347904. Its totient is φ = 134371440.

The previous prime is 322243111. The next prime is 322243147. The reversal of 322243138 is 831342223.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310528 + ... + 311563.

It is an arithmetic number, because the mean of its divisors is an integer number (35459244).

Almost surely, 2^322243138 is an apocalyptic number.

322243138 is a deficient number, since it is larger than the sum of its proper divisors (245104766).

322243138 is a wasteful number, since it uses less digits than its factorization.

322243138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622137.

The product of its digits is 6912, while the sum is 28.

The square root of 322243138 is about 17951.1319420253. The cubic root of 322243138 is about 685.5848721012.

It can be divided in two parts, 3222 and 43138, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 322243138 in words is "three hundred twenty-two million, two hundred forty-three thousand, one hundred thirty-eight".