16290522 has 48 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 5060736.

The previous prime is 16290517. The next prime is 16290523. The reversal of 16290522 is 22509261.

It is a super-2 number, since 2×16290522² = 530762214064968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16290523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42343 + ... + 42725.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^16290522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16290522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18869760).

16290522 is an abundant number, since it is smaller than the sum of its proper divisors (21448998).

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

16290522 is a wasteful number, since it uses less digits than its factorization.

16290522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16290522 is about 4036.1518801948. The cubic root of 16290522 is about 253.5002159120.

Adding to 16290522 its reverse (22509261), we get a palindrome (38799783).

The spelling of 16290522 in words is "sixteen million, two hundred ninety thousand, five hundred twenty-two".