220227072 has 160 divisors (see below), whose sum is σ = 649645920. Its totient is φ = 65863680.

The previous prime is 220227067. The next prime is 220227083. The reversal of 220227072 is 270722022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818554 + ... + 818822.

It is an arithmetic number, because the mean of its divisors is an integer number (4060287).

Almost surely, 2^220227072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220227072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324822960).

220227072 is an abundant number, since it is smaller than the sum of its proper divisors (429418848).

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

220227072 is a wasteful number, since it uses less digits than its factorization.

220227072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 220227072 is about 14840.0495956045. The cubic root of 220227072 is about 603.8886978221. Note that the first 3 decimals are identical.

Adding to 220227072 its reverse (270722022), we get a palindrome (490949094).

The spelling of 220227072 in words is "two hundred twenty million, two hundred twenty-seven thousand, seventy-two".