16228151 has 4 divisors (see below), whose sum is σ = 16275000. Its totient is φ = 16181304.

The previous prime is 16228129. The next prime is 16228189. The reversal of 16228151 is 15182261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15182261 = 401 ⋅37861.

It is a cyclic number.

It is not a de Polignac number, because 16228151 - 2¹⁸ = 15966007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16228151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16228651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22901 + ... + 23598.

It is an arithmetic number, because the mean of its divisors is an integer number (4068750).

Almost surely, 2^16228151 is an apocalyptic number.

16228151 is a deficient number, since it is larger than the sum of its proper divisors (46849).

16228151 is an equidigital number, since it uses as much as digits as its factorization.

16228151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46848.

The product of its digits is 960, while the sum is 26.

The square root of 16228151 is about 4028.4179276733. The cubic root of 16228151 is about 253.1762794244.

The spelling of 16228151 in words is "sixteen million, two hundred twenty-eight thousand, one hundred fifty-one".