622720560 has 320 divisors, whose sum is σ = 2486697984. Its totient is φ = 125107200.

The previous prime is 622720559. The next prime is 622720577. The reversal of 622720560 is 65027226.

622720560 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 (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 572337 + ... + 573423.

Almost surely, 2^622720560 is an apocalyptic number.

622720560 is a gapful number since it is divisible by the number (60) 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 622720560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243348992).

622720560 is an abundant number, since it is smaller than the sum of its proper divisors (1863977424).

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

622720560 is a wasteful number, since it uses less digits than its factorization.

622720560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 622720560 is about 24954.3695572539. The cubic root of 622720560 is about 853.9472971405.

Adding to 622720560 its reverse (65027226), we get a palindrome (687747786).

The spelling of 622720560 in words is "six hundred twenty-two million, seven hundred twenty thousand, five hundred sixty".