622226020 has 24 divisors (see below), whose sum is σ = 1407188664. Its totient is φ = 229744896.

The previous prime is 622225999. The next prime is 622226021. The reversal of 622226020 is 20622226.

It can be written as a sum of positive squares in 4 ways, for example, as 108659776 + 513566244 = 10424^2 + 22662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 622225982 and 622226000.

It is not an unprimeable number, because it can be changed into a prime (622226021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196329 + ... + 1196848.

It is an arithmetic number, because the mean of its divisors is an integer number (58632861).

Almost surely, 2^622226020 is an apocalyptic number.

It is an amenable number.

622226020 is an abundant number, since it is smaller than the sum of its proper divisors (784962644).

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

622226020 is a wasteful number, since it uses less digits than its factorization.

622226020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393199 (or 2393197 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 622226020 is about 24944.4587032872. The cubic root of 622226020 is about 853.7211802340.

Adding to 622226020 its reverse (20622226), we get a palindrome (642848246).

The spelling of 622226020 in words is "six hundred twenty-two million, two hundred twenty-six thousand, twenty".