220122016 has 12 divisors (see below), whose sum is σ = 433365282. Its totient is φ = 110060992.

The previous prime is 220121999. The next prime is 220122017. The reversal of 220122016 is 610221022.

220122016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 196112016 + 24010000 = 14004^2 + 4900^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (220122017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439375 + ... + 3439438.

Almost surely, 2^220122016 is an apocalyptic number.

It is an amenable number.

220122016 is a deficient number, since it is larger than the sum of its proper divisors (213243266).

220122016 is an equidigital number, since it uses as much as digits as its factorization.

220122016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878823 (or 6878815 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 220122016 is about 14836.5095625622. The cubic root of 220122016 is about 603.7926572201.

Adding to 220122016 its reverse (610221022), we get a palindrome (830343038).

The spelling of 220122016 in words is "two hundred twenty million, one hundred twenty-two thousand, sixteen".