16152228 has 36 divisors (see below), whose sum is σ = 40966380. Its totient is φ = 5366016.

The previous prime is 16152181. The next prime is 16152229. The reversal of 16152228 is 82225161.

It is a happy number.

16152228 is a `hidden beast` number, since 1 + 615 + 22 + 28 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10188864 + 5963364 = 3192^2 + 2442^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (16152229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14176 + ... + 15272.

It is an arithmetic number, because the mean of its divisors is an integer number (1137955).

Almost surely, 2^16152228 is an apocalyptic number.

16152228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16152228 is an abundant number, since it is smaller than the sum of its proper divisors (24814152).

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

16152228 is a wasteful number, since it uses less digits than its factorization.

16152228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1511 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 16152228 is about 4018.9834535614. The cubic root of 16152228 is about 252.7808357862.

Adding to 16152228 its reverse (82225161), we get a palindrome (98377389).

The spelling of 16152228 in words is "sixteen million, one hundred fifty-two thousand, two hundred twenty-eight".