220216450 has 48 divisors (see below), whose sum is σ = 418366080. Its totient is φ = 86224320.

The previous prime is 220216429. The next prime is 220216457. The reversal of 220216450 is 54612022.

It is a super-3 number, since 3×220216450³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (220216457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778009 + ... + 778291.

It is an arithmetic number, because the mean of its divisors is an integer number (8715960).

Almost surely, 2^220216450 is an apocalyptic number.

220216450 is a deficient number, since it is larger than the sum of its proper divisors (198149630).

220216450 is a wasteful number, since it uses less digits than its factorization.

220216450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 220216450 is about 14839.6917083880. The cubic root of 220216450 is about 603.8789887389.

Adding to 220216450 its reverse (54612022), we get a palindrome (274828472).

The spelling of 220216450 in words is "two hundred twenty million, two hundred sixteen thousand, four hundred fifty".