16290228 has 24 divisors (see below), whose sum is σ = 39322080. Its totient is φ = 5242720.

The previous prime is 16290227. The next prime is 16290229. The reversal of 16290228 is 82209261.

16290228 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16290227) and next prime (16290229).

It is a junction number, because it is equal to n+sod(n) for n = 16290195 and 16290204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290227) 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, 23058 + ... + 23753.

It is an arithmetic number, because the mean of its divisors is an integer number (1638420).

Almost surely, 2^16290228 is an apocalyptic number.

It is an amenable number.

16290228 is an abundant number, since it is smaller than the sum of its proper divisors (23031852).

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

16290228 is a wasteful number, since it uses less digits than its factorization.

16290228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46847 (or 46845 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 16290228 is about 4036.1154592008. The cubic root of 16290228 is about 253.4986909043.

Adding to 16290228 its reverse (82209261), we get a palindrome (98499489).

The spelling of 16290228 in words is "sixteen million, two hundred ninety thousand, two hundred twenty-eight".