622471320 has 288 divisors, whose sum is σ = 2229851520. Its totient is φ = 150405120.

The previous prime is 622471249. The next prime is 622471357. The reversal of 622471320 is 23174226.

622471320 is a `hidden beast` number, since 622 + 4 + 7 + 1 + 32 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 3225144 + ... + 3225336.

It is an arithmetic number, because the mean of its divisors is an integer number (7742540).

Almost surely, 2^622471320 is an apocalyptic number.

622471320 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 622471320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114925760).

622471320 is an abundant number, since it is smaller than the sum of its proper divisors (1607380200).

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

622471320 is a wasteful number, since it uses less digits than its factorization.

622471320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 251 counting only the distinct ones).

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

The square root of 622471320 is about 24949.3751424760. The cubic root of 622471320 is about 853.8333529200.

The spelling of 622471320 in words is "six hundred twenty-two million, four hundred seventy-one thousand, three hundred twenty".