16222606 has 4 divisors (see below), whose sum is σ = 24333912. Its totient is φ = 8111302.

The previous prime is 16222553. The next prime is 16222631. The reversal of 16222606 is 60622261.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4055650 + ... + 4055653.

It is an arithmetic number, because the mean of its divisors is an integer number (6083478).

Almost surely, 2^16222606 is an apocalyptic number.

16222606 is a deficient number, since it is larger than the sum of its proper divisors (8111306).

16222606 is an equidigital number, since it uses as much as digits as its factorization.

16222606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111305.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 16222606 is about 4027.7296334287. The cubic root of 16222606 is about 253.1474401891.

Adding to 16222606 its reverse (60622261), we get a palindrome (76844867).

The spelling of 16222606 in words is "sixteen million, two hundred twenty-two thousand, six hundred six".