3622206720 has 288 divisors, whose sum is σ = 13059688320. Its totient is φ = 847544320.

The previous prime is 3622206713. The next prime is 3622206739. The reversal of 3622206720 is 276022263.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1223482 + ... + 1226438.

It is an arithmetic number, because the mean of its divisors is an integer number (45346140).

Almost surely, 2^3622206720 is an apocalyptic number.

3622206720 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 3622206720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6529844160).

3622206720 is an abundant number, since it is smaller than the sum of its proper divisors (9437481600).

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

3622206720 is a wasteful number, since it uses less digits than its factorization.

3622206720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 3622206720 is about 60184.7714957862. The cubic root of 3622206720 is about 1535.7637440447.

Adding to 3622206720 its reverse (276022263), we get a palindrome (3898228983).

The spelling of 3622206720 in words is "three billion, six hundred twenty-two million, two hundred six thousand, seven hundred twenty".