16227522 has 12 divisors (see below), whose sum is σ = 35159670. Its totient is φ = 5409168.

The previous prime is 16227511. The next prime is 16227527. The reversal of 16227522 is 22572261.

It can be written as a sum of positive squares in only one way, i.e., 14907321 + 1320201 = 3861^2 + 1149^2 .

It is not an unprimeable number, because it can be changed into a prime (16227527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450747 + ... + 450782.

Almost surely, 2^16227522 is an apocalyptic number.

16227522 is an abundant number, since it is smaller than the sum of its proper divisors (18932148).

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

16227522 is a wasteful number, since it uses less digits than its factorization.

16227522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901537 (or 901534 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 16227522 is about 4028.3398565662. The cubic root of 16227522 is about 253.1730083609.

Adding to 16227522 its reverse (22572261), we get a palindrome (38799783).

The spelling of 16227522 in words is "sixteen million, two hundred twenty-seven thousand, five hundred twenty-two".