3220405350 has 48 divisors (see below), whose sum is σ = 7990055568. Its totient is φ = 858403840.

The previous prime is 3220405343. The next prime is 3220405367. The reversal of 3220405350 is 535040223.

It is a self number, because there is not a number n which added to its sum of digits gives 3220405350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666142 + ... + 670958.

It is an arithmetic number, because the mean of its divisors is an integer number (166459491).

Almost surely, 2^3220405350 is an apocalyptic number.

3220405350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3220405350 is an abundant number, since it is smaller than the sum of its proper divisors (4769650218).

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

3220405350 is a wasteful number, since it uses less digits than its factorization.

3220405350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289 (or 9284 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 3220405350 is about 56748.6154016113. The cubic root of 3220405350 is about 1476.7382131754.

Adding to 3220405350 its reverse (535040223), we get a palindrome (3755445573).

The spelling of 3220405350 in words is "three billion, two hundred twenty million, four hundred five thousand, three hundred fifty".