622022768640 has 2304 divisors, whose sum is σ = 2860768834560. Its totient is φ = 126127964160.

The previous prime is 622022768639. The next prime is 622022768701. The reversal of 622022768640 is 46867220226.

622022768640 is a `hidden beast` number, since 62 + 202 + 276 + 86 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9283921887 + ... + 9283921953.

It is an arithmetic number, because the mean of its divisors is an integer number (1241653140).

Almost surely, 2^622022768640 is an apocalyptic number.

622022768640 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 622022768640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430384417280).

622022768640 is an abundant number, since it is smaller than the sum of its proper divisors (2238746065920).

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

622022768640 is a wasteful number, since it uses less digits than its factorization.

622022768640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

Adding to 622022768640 its reverse (46867220226), we get a palindrome (668889988866).

The spelling of 622022768640 in words is "six hundred twenty-two billion, twenty-two million, seven hundred sixty-eight thousand, six hundred forty".