16220200 has 24 divisors (see below), whose sum is σ = 37712430. Its totient is φ = 6488000.

The previous prime is 16220189. The next prime is 16220207. The reversal of 16220200 is 202261.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13704804 + 2515396 = 3702^2 + 1586^2 .

It is not an unprimeable number, because it can be changed into a prime (16220207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40351 + ... + 40750.

Almost surely, 2^16220200 is an apocalyptic number.

16220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16220200 is an abundant number, since it is smaller than the sum of its proper divisors (21492230).

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

16220200 is a wasteful number, since it uses less digits than its factorization.

16220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81117 (or 81108 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 16220200 is about 4027.4309429213. The cubic root of 16220200 is about 253.1349246731.

Adding to 16220200 its reverse (202261), we get a palindrome (16422461).

The spelling of 16220200 in words is "sixteen million, two hundred twenty thousand, two hundred".