3622320 has 200 divisors, whose sum is σ = 13863696. Its totient is φ = 870912.

The previous prime is 3622313. The next prime is 3622321. The reversal of 3622320 is 232263.

3622320 = 7² + 8² + ... + 221².

3622320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3622293 and 3622302.

It is not an unprimeable number, because it can be changed into a prime (3622321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 84219 + ... + 84261.

Almost surely, 2^3622320 is an apocalyptic number.

3622320 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 3622320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6931848).

3622320 is an abundant number, since it is smaller than the sum of its proper divisors (10241376).

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

3622320 is a wasteful number, since it uses less digits than its factorization.

3622320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3622320 is about 1903.2393438556. The cubic root of 3622320 is about 153.5779753577.

3622320 divided by its product of nonzero digits (432) gives a triangular number (8385 = T₁₂₉).

Adding to 3622320 its reverse (232263), we get a palindrome (3854583).

The spelling of 3622320 in words is "three million, six hundred twenty-two thousand, three hundred twenty".