Search a number
-
+
1622220830 = 251489108947
BaseRepresentation
bin110000010110001…
…0010000000011110
311012001111100121222
41200230102000132
511310242031310
6424545453342
755125435536
oct14054220036
94161440558
101622220830
1176277957a
12393341252
131cb115ca9
1411563a4c6
159763d055
hex60b1201e

1622220830 has 16 divisors (see below), whose sum is σ = 2921985360. Its totient is φ = 648446592.

The previous prime is 1622220829. The next prime is 1622220833. The reversal of 1622220830 is 380222261.

It is a self number, because there is not a number n which added to its sum of digits gives 1622220830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622220833) 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, 39584 + ... + 69363.

It is an arithmetic number, because the mean of its divisors is an integer number (182624085).

Almost surely, 21622220830 is an apocalyptic number.

1622220830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1622220830 is a deficient number, since it is larger than the sum of its proper divisors (1299764530).

1622220830 is a wasteful number, since it uses less digits than its factorization.

1622220830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110443.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1622220830 is about 40276.8026288086. The cubic root of 1622220830 is about 1174.9967297329.

The spelling of 1622220830 in words is "one billion, six hundred twenty-two million, two hundred twenty thousand, eight hundred thirty".

Divisors: 1 2 5 10 1489 2978 7445 14890 108947 217894 544735 1089470 162222083 324444166 811110415 1622220830