Search a number
-
+
622220626 = 21916374227
BaseRepresentation
bin100101000101100…
…101010101010010
31121100211002020101
4211011211111102
52233242030001
6141424203014
721263534206
oct4505452522
91540732211
10622220626
1129a255625
1215446946a
139bba89b1
145c8ccb06
153995ba01
hex25165552

622220626 has 8 divisors (see below), whose sum is σ = 982453680. Its totient is φ = 294736068.

The previous prime is 622220611. The next prime is 622220629. The reversal of 622220626 is 626022226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 622220594 and 622220603.

It is not an unprimeable number, because it can be changed into a prime (622220629) 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 3 ways as a sum of consecutive naturals, for example, 8187076 + ... + 8187151.

It is an arithmetic number, because the mean of its divisors is an integer number (122806710).

Almost surely, 2622220626 is an apocalyptic number.

622220626 is a deficient number, since it is larger than the sum of its proper divisors (360233054).

622220626 is a wasteful number, since it uses less digits than its factorization.

622220626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16374248.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 622220626 is about 24944.3505828474. The cubic root of 622220626 is about 853.7187132926.

The spelling of 622220626 in words is "six hundred twenty-two million, two hundred twenty thousand, six hundred twenty-six".

Divisors: 1 2 19 38 16374227 32748454 311110313 622220626