Search a number
-
+
19222964 = 227736217
BaseRepresentation
bin100100101010…
…1000110110100
31100011121221122
41021111012310
514410113324
61524003112
7322251425
oct111250664
940147848
1019222964
11a93a552
126530498
133ca0847
1427a564c
151a4aa5e
hex12551b4

19222964 has 12 divisors (see below), whose sum is σ = 33689124. Its totient is φ = 9597504.

The previous prime is 19222961. The next prime is 19222979. The reversal of 19222964 is 46922291.

It can be written as a sum of positive squares in 2 ways, for example, as 6916900 + 12306064 = 2630^2 + 3508^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19222961) 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 3 ways as a sum of consecutive naturals, for example, 17 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (2807427).

Almost surely, 219222964 is an apocalyptic number.

It is an amenable number.

19222964 is a deficient number, since it is larger than the sum of its proper divisors (14466160).

19222964 is a wasteful number, since it uses less digits than its factorization.

19222964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6994 (or 6992 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 19222964 is about 4384.4000729860. The cubic root of 19222964 is about 267.8798934598.

The spelling of 19222964 in words is "nineteen million, two hundred twenty-two thousand, nine hundred sixty-four".

Divisors: 1 2 4 773 1546 3092 6217 12434 24868 4805741 9611482 19222964