16220396 has 12 divisors (see below), whose sum is σ = 29364720. Its totient is φ = 7830480.

The previous prime is 16220383. The next prime is 16220401. The reversal of 16220396 is 69302261.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69800 + ... + 70031.

It is an arithmetic number, because the mean of its divisors is an integer number (2447060).

Almost surely, 2^16220396 is an apocalyptic number.

It is an amenable number.

16220396 is a deficient number, since it is larger than the sum of its proper divisors (13144324).

16220396 is a wasteful number, since it uses less digits than its factorization.

16220396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139864 (or 139862 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 16220396 is about 4027.4552759776. The cubic root of 16220396 is about 253.1359442710.

The spelling of 16220396 in words is "sixteen million, two hundred twenty thousand, three hundred ninety-six".