16228066 has 16 divisors (see below), whose sum is σ = 25666560. Its totient is φ = 7683840.

The previous prime is 16228063. The next prime is 16228067. The reversal of 16228066 is 66082261.

It is a super-2 number, since 2×16228066² = 526700252200712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (16228063) 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, 130 + ... + 5698.

It is an arithmetic number, because the mean of its divisors is an integer number (1604160).

Almost surely, 2^16228066 is an apocalyptic number.

16228066 is a deficient number, since it is larger than the sum of its proper divisors (9438494).

16228066 is a wasteful number, since it uses less digits than its factorization.

16228066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 16228066 is about 4028.4073776122. The cubic root of 16228066 is about 253.1758373937.

The spelling of 16228066 in words is "sixteen million, two hundred twenty-eight thousand, sixty-six".