16201222 has 8 divisors (see below), whose sum is σ = 24451416. Its totient is φ = 8050752.

The previous prime is 16201219. The next prime is 16201247. The reversal of 16201222 is 22210261.

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

It is a junction number, because it is equal to n+sod(n) for n = 16201196 and 16201205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24523 + ... + 25174.

It is an arithmetic number, because the mean of its divisors is an integer number (3056427).

Almost surely, 2^16201222 is an apocalyptic number.

16201222 is a deficient number, since it is larger than the sum of its proper divisors (8250194).

16201222 is a wasteful number, since it uses less digits than its factorization.

16201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49862.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 16201222 is about 4025.0741608075. The cubic root of 16201222 is about 253.0361616202.

Adding to 16201222 its reverse (22210261), we get a palindrome (38411483).

The spelling of 16201222 in words is "sixteen million, two hundred one thousand, two hundred twenty-two".