220244332 has 48 divisors (see below), whose sum is σ = 482952960. Its totient is φ = 85377600.

The previous prime is 220244327. The next prime is 220244341. The reversal of 220244332 is 233442022.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 63294 + ... + 66682.

It is an arithmetic number, because the mean of its divisors is an integer number (10061520).

Almost surely, 2^220244332 is an apocalyptic number.

220244332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220244332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241476480).

220244332 is an abundant number, since it is smaller than the sum of its proper divisors (262708628).

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

220244332 is a wasteful number, since it uses less digits than its factorization.

220244332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 220244332 is about 14840.6311186553. The cubic root of 220244332 is about 603.9044737309.

Adding to 220244332 its reverse (233442022), we get a palindrome (453686354).

The spelling of 220244332 in words is "two hundred twenty million, two hundred forty-four thousand, three hundred thirty-two".