16138322 has 16 divisors (see below), whose sum is σ = 24624600. Its totient is φ = 7931520.

The previous prime is 16138319. The next prime is 16138333. The reversal of 16138322 is 22383161.

It can be written as a sum of positive squares in 4 ways, for example, as 13830961 + 2307361 = 3719^2 + 1519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16138291 and 16138300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39254 + ... + 39662.

Almost surely, 2^16138322 is an apocalyptic number.

16138322 is a deficient number, since it is larger than the sum of its proper divisors (8486278).

16138322 is a wasteful number, since it uses less digits than its factorization.

16138322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its digits is 1728, while the sum is 26.

The square root of 16138322 is about 4017.2530415696. The cubic root of 16138322 is about 252.7082724312.

It can be divided in two parts, 161 and 38322, that added together give a palindrome (38483).

The spelling of 16138322 in words is "sixteen million, one hundred thirty-eight thousand, three hundred twenty-two".