16622006 has 4 divisors (see below), whose sum is σ = 24933012. Its totient is φ = 8311002.

The previous prime is 16621967. The next prime is 16622009. The reversal of 16622006 is 60022661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60022661 = 461 ⋅130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16622009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4155500 + ... + 4155503.

It is an arithmetic number, because the mean of its divisors is an integer number (6233253).

Almost surely, 2^16622006 is an apocalyptic number.

16622006 is a deficient number, since it is larger than the sum of its proper divisors (8311006).

16622006 is an equidigital number, since it uses as much as digits as its factorization.

16622006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8311005.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 16622006 is about 4077.0094432071. The cubic root of 16622006 is about 255.2081140982.

Adding to 16622006 its reverse (60022661), we get a palindrome (76644667).

The spelling of 16622006 in words is "sixteen million, six hundred twenty-two thousand, six".