622072620 has 288 divisors, whose sum is σ = 2146435200. Its totient is φ = 144764928.

The previous prime is 622072609. The next prime is 622072621. The reversal of 622072620 is 26270226.

It is not an unprimeable number, because it can be changed into a prime (622072621) 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 95 ways as a sum of consecutive naturals, for example, 6039489 + ... + 6039591.

It is an arithmetic number, because the mean of its divisors is an integer number (7452900).

Almost surely, 2^622072620 is an apocalyptic number.

622072620 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 622072620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073217600).

622072620 is an abundant number, since it is smaller than the sum of its proper divisors (1524362580).

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

622072620 is a wasteful number, since it uses less digits than its factorization.

622072620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 622072620 is about 24941.3836825466. The cubic root of 622072620 is about 853.6510173090.

The spelling of 622072620 in words is "six hundred twenty-two million, seventy-two thousand, six hundred twenty".