352244420 has 96 divisors (see below), whose sum is σ = 899579520. Its totient is φ = 114186240.

The previous prime is 352244383. The next prime is 352244423. The reversal of 352244420 is 24442253.

It is a happy number.

It is a super-2 number, since 2×352244420² = 248152262842272800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 352244420.

It is not an unprimeable number, because it can be changed into a prime (352244423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68582 + ... + 73538.

It is an arithmetic number, because the mean of its divisors is an integer number (9370620).

Almost surely, 2^352244420 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 352244420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449789760).

352244420 is an abundant number, since it is smaller than the sum of its proper divisors (547335100).

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

352244420 is a wasteful number, since it uses less digits than its factorization.

352244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013 (or 5011 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 352244420 is about 18768.1757238150. The cubic root of 352244420 is about 706.2330549619.

Adding to 352244420 its reverse (24442253), we get a palindrome (376686673).

The spelling of 352244420 in words is "three hundred fifty-two million, two hundred forty-four thousand, four hundred twenty".