352227720 has 128 divisors (see below), whose sum is σ = 1165933440. Its totient is φ = 84572160.

The previous prime is 352227697. The next prime is 352227737. The reversal of 352227720 is 27722253.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61207 + ... + 66713.

It is an arithmetic number, because the mean of its divisors is an integer number (9108855).

Almost surely, 2^352227720 is an apocalyptic number.

352227720 is a gapful number since it is divisible by the number (30) 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 352227720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582966720).

352227720 is an abundant number, since it is smaller than the sum of its proper divisors (813705720).

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

352227720 is a wasteful number, since it uses less digits than its factorization.

352227720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575 (or 5571 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 352227720 is about 18767.7308164839. The cubic root of 352227720 is about 706.2218938876.

Adding to 352227720 its reverse (27722253), we get a palindrome (379949973).

The spelling of 352227720 in words is "three hundred fifty-two million, two hundred twenty-seven thousand, seven hundred twenty".