16922113 has 4 divisors (see below), whose sum is σ = 18223828. Its totient is φ = 15620400.

The previous prime is 16922111. The next prime is 16922119. The reversal of 16922113 is 31122961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31122961 = 337 ⋅92353.

It can be written as a sum of positive squares in 2 ways, for example, as 6012304 + 10909809 = 2452^2 + 3303^2 .

It is a cyclic number.

It is not a de Polignac number, because 16922113 - 2¹ = 16922111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16922111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650838 + ... + 650863.

It is an arithmetic number, because the mean of its divisors is an integer number (4555957).

Almost surely, 2^16922113 is an apocalyptic number.

16922113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16922113 is a deficient number, since it is larger than the sum of its proper divisors (1301715).

16922113 is a wasteful number, since it uses less digits than its factorization.

16922113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301714.

The product of its digits is 648, while the sum is 25.

The square root of 16922113 is about 4113.6495961615. The cubic root of 16922113 is about 256.7348727113.

The spelling of 16922113 in words is "sixteen million, nine hundred twenty-two thousand, one hundred thirteen".