16722627 has 4 divisors (see below), whose sum is σ = 22296840. Its totient is φ = 11148416.

The previous prime is 16722599. The next prime is 16722637. The reversal of 16722627 is 72622761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72622761 = 3 ⋅24207587.

It is a cyclic number.

It is not a de Polignac number, because 16722627 - 2⁷ = 16722499 is a prime.

It is a super-2 number, since 2×16722627² = 559292507562258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16722637) 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, 2787102 + ... + 2787107.

It is an arithmetic number, because the mean of its divisors is an integer number (5574210).

Almost surely, 2^16722627 is an apocalyptic number.

16722627 is a deficient number, since it is larger than the sum of its proper divisors (5574213).

16722627 is an equidigital number, since it uses as much as digits as its factorization.

16722627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574212.

The product of its digits is 14112, while the sum is 33.

The square root of 16722627 is about 4089.3308743607. The cubic root of 16722627 is about 255.7220443028.

The spelling of 16722627 in words is "sixteen million, seven hundred twenty-two thousand, six hundred twenty-seven".