16122213 has 16 divisors (see below), whose sum is σ = 24024000. Its totient is φ = 10685520.

The previous prime is 16122199. The next prime is 16122217. The reversal of 16122213 is 31222161.

It is not a de Polignac number, because 16122213 - 2⁵ = 16122181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16122217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3238 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (1501500).

Almost surely, 2^16122213 is an apocalyptic number.

It is an amenable number.

16122213 is a deficient number, since it is larger than the sum of its proper divisors (7901787).

16122213 is a wasteful number, since it uses less digits than its factorization.

16122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3483 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 16122213 is about 4015.2475639741. The cubic root of 16122213 is about 252.6241613982.

Adding to 16122213 its reverse (31222161), we get a palindrome (47344374).

The spelling of 16122213 in words is "sixteen million, one hundred twenty-two thousand, two hundred thirteen".