16622396 has 48 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 6553344.

The previous prime is 16622393. The next prime is 16622407. The reversal of 16622396 is 69322661.

16622396 = T₃₂₃ + T₃₂₄ + ... + T₅₁₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16622393) 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, 22001 + ... + 22743.

It is an arithmetic number, because the mean of its divisors is an integer number (749952).

Almost surely, 2^16622396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16622396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17998848).

16622396 is an abundant number, since it is smaller than the sum of its proper divisors (19375300).

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

16622396 is a wasteful number, since it uses less digits than its factorization.

16622396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 816 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 16622396 is about 4077.0572721020. The cubic root of 16622396 is about 255.2101100544.

The spelling of 16622396 in words is "sixteen million, six hundred twenty-two thousand, three hundred ninety-six".