16922497 has 16 divisors (see below), whose sum is σ = 18703872. Its totient is φ = 15240960.

The previous prime is 16922489. The next prime is 16922519. The reversal of 16922497 is 79422961.

It is a cyclic number.

It is not a de Polignac number, because 16922497 - 2³ = 16922489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16922417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85803 + ... + 85999.

It is an arithmetic number, because the mean of its divisors is an integer number (1168992).

Almost surely, 2^16922497 is an apocalyptic number.

16922497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16922497 is a deficient number, since it is larger than the sum of its proper divisors (1781375).

16922497 is a wasteful number, since it uses less digits than its factorization.

16922497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its digits is 54432, while the sum is 40.

The square root of 16922497 is about 4113.6962697798. The cubic root of 16922497 is about 256.7368146565.

The spelling of 16922497 in words is "sixteen million, nine hundred twenty-two thousand, four hundred ninety-seven".