622216740 has 24 divisors (see below), whose sum is σ = 1742207040. Its totient is φ = 165924448.

The previous prime is 622216703. The next prime is 622216747. The reversal of 622216740 is 47612226.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 622216698 and 622216707.

It is not an unprimeable number, because it can be changed into a prime (622216747) 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 7 ways as a sum of consecutive naturals, for example, 5185080 + ... + 5185199.

It is an arithmetic number, because the mean of its divisors is an integer number (72591960).

Almost surely, 2^622216740 is an apocalyptic number.

622216740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622216740 is an abundant number, since it is smaller than the sum of its proper divisors (1119990300).

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

622216740 is a wasteful number, since it uses less digits than its factorization.

622216740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370291 (or 10370289 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 622216740 is about 24944.2726893369. The cubic root of 622216740 is about 853.7169360249.

Adding to 622216740 its reverse (47612226), we get a palindrome (669828966).

The spelling of 622216740 in words is "six hundred twenty-two million, two hundred sixteen thousand, seven hundred forty".