16215282 has 32 divisors (see below), whose sum is σ = 36806400. Its totient is φ = 5289264.

The previous prime is 16215259. The next prime is 16215289. The reversal of 16215282 is 28251261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16215289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (1150200).

Almost surely, 2^16215282 is an apocalyptic number.

16215282 is an abundant number, since it is smaller than the sum of its proper divisors (20591118).

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

16215282 is a wasteful number, since it uses less digits than its factorization.

16215282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447 (or 6441 counting only the distinct ones).

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

The square root of 16215282 is about 4026.8203337124. The cubic root of 16215282 is about 253.1093384000.

It can be divided in two parts, 1621 and 5282, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 16215282 in words is "sixteen million, two hundred fifteen thousand, two hundred eighty-two".