16222252 has 24 divisors (see below), whose sum is σ = 29660400. Its totient is φ = 7753536.

The previous prime is 16222211. The next prime is 16222259. The reversal of 16222252 is 25222261.

It is a happy number.

16222252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16222252² = 526322919903008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222259) 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, 12003 + ... + 13285.

It is an arithmetic number, because the mean of its divisors is an integer number (1235850).

Almost surely, 2^16222252 is an apocalyptic number.

It is an amenable number.

16222252 is a deficient number, since it is larger than the sum of its proper divisors (13438148).

16222252 is a wasteful number, since it uses less digits than its factorization.

16222252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1423 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 16222252 is about 4027.6856878361. The cubic root of 16222252 is about 253.1455988317.

Subtracting 16222252 from its reverse (25222261), we obtain a palindrome (9000009).

The spelling of 16222252 in words is "sixteen million, two hundred twenty-two thousand, two hundred fifty-two".