16840722 has 8 divisors (see below), whose sum is σ = 33681456. Its totient is φ = 5613572.

The previous prime is 16840721. The next prime is 16840723. The reversal of 16840722 is 22704861.

It is an interprime number because it is at equal distance from previous prime (16840721) and next prime (16840723).

It is a sphenic number, since it is the product of 3 distinct primes.

16840722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 16840722.

It is not an unprimeable number, because it can be changed into a prime (16840721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403388 + ... + 1403399.

It is an arithmetic number, because the mean of its divisors is an integer number (4210182).

Almost surely, 2^16840722 is an apocalyptic number.

16840722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16840722 is a wasteful number, since it uses less digits than its factorization.

16840722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806792.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 16840722 is about 4103.7448751110. The cubic root of 16840722 is about 256.3226015184.

The spelling of 16840722 in words is "sixteen million, eight hundred forty thousand, seven hundred twenty-two".