622796640 has 96 divisors (see below), whose sum is σ = 1998906336. Its totient is φ = 162938880.

The previous prime is 622796639. The next prime is 622796659. The reversal of 622796640 is 46697226.

It is a happy number.

622796640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 622796592 and 622796601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13200 + ... + 37680.

It is an arithmetic number, because the mean of its divisors is an integer number (20821941).

Almost surely, 2^622796640 is an apocalyptic number.

622796640 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 622796640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999453168).

622796640 is an abundant number, since it is smaller than the sum of its proper divisors (1376109696).

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

622796640 is a wasteful number, since it uses less digits than its factorization.

622796640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24552 (or 24544 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 622796640 is about 24955.8938930266. The cubic root of 622796640 is about 853.9820723237.

The spelling of 622796640 in words is "six hundred twenty-two million, seven hundred ninety-six thousand, six hundred forty".