Search a number
-
+
1222194 = 231971151
BaseRepresentation
bin100101010011000110010
32022002112110
410222120302
5303102234
642110150
713250151
oct4523062
92262473
101222194
11765286
124ab356
1333a3bc
1423b598
151921e9
hex12a632

1222194 has 32 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 378000.

The previous prime is 1222187. The next prime is 1222219. The reversal of 1222194 is 4912221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8019 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

21222194 is an apocalyptic number.

1222194 is an abundant number, since it is smaller than the sum of its proper divisors (1404366).

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

1222194 is a wasteful number, since it uses less digits than its factorization.

1222194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 288, while the sum is 21.

The square root of 1222194 is about 1105.5288327312. The cubic root of 1222194 is about 106.9169880504.

The spelling of 1222194 in words is "one million, two hundred twenty-two thousand, one hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 71 114 142 151 213 302 426 453 906 1349 2698 2869 4047 5738 8094 8607 10721 17214 21442 32163 64326 203699 407398 611097 1222194