16225212 has 24 divisors (see below), whose sum is σ = 39505536. Its totient is φ = 5173168.

The previous prime is 16225201. The next prime is 16225213. The reversal of 16225212 is 21252261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225213) 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, 29118 + ... + 29669.

It is an arithmetic number, because the mean of its divisors is an integer number (1646064).

Almost surely, 2^16225212 is an apocalyptic number.

16225212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16225212 is an abundant number, since it is smaller than the sum of its proper divisors (23280324).

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

16225212 is a wasteful number, since it uses less digits than its factorization.

16225212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58817 (or 58815 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 16225212 is about 4028.0531277529. The cubic root of 16225212 is about 253.1609946679.

Adding to 16225212 its reverse (21252261), we get a palindrome (37477473).

The spelling of 16225212 in words is "sixteen million, two hundred twenty-five thousand, two hundred twelve".