220722352 has 40 divisors (see below), whose sum is σ = 457158240. Its totient is φ = 102981120.

The previous prime is 220722343. The next prime is 220722367. The reversal of 220722352 is 253227022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7774 + ... + 22402.

It is an arithmetic number, because the mean of its divisors is an integer number (11428956).

Almost surely, 2^220722352 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 220722352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228579120).

220722352 is an abundant number, since it is smaller than the sum of its proper divisors (236435888).

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

220722352 is a wasteful number, since it uses less digits than its factorization.

220722352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14701 (or 14695 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 220722352 is about 14856.7274996885. The cubic root of 220722352 is about 604.3410643353.

Adding to 220722352 its reverse (253227022), we get a palindrome (473949374).

The spelling of 220722352 in words is "two hundred twenty million, seven hundred twenty-two thousand, three hundred fifty-two".