16222302 has 16 divisors (see below), whose sum is σ = 36049680. Its totient is φ = 5407416.

The previous prime is 16222289. The next prime is 16222303. The reversal of 16222302 is 20322261.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150153 + ... + 150260.

It is an arithmetic number, because the mean of its divisors is an integer number (2253105).

Almost surely, 2^16222302 is an apocalyptic number.

16222302 is an abundant number, since it is smaller than the sum of its proper divisors (19827378).

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

16222302 is a wasteful number, since it uses less digits than its factorization.

16222302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300424 (or 300418 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 16222302 is about 4027.6918948698. The cubic root of 16222302 is about 253.1458589121.

Adding to 16222302 its reverse (20322261), we get a palindrome (36544563).

The spelling of 16222302 in words is "sixteen million, two hundred twenty-two thousand, three hundred two".